{"id":3179,"date":"2017-05-14T15:14:01","date_gmt":"2017-05-14T07:14:01","guid":{"rendered":"http:\/\/23.110.48.238\/?p=3179"},"modified":"2025-11-27T17:14:00","modified_gmt":"2025-11-27T09:14:00","slug":"discussion-application-double-wall-brazed-steel-tubing-air-conditioning","status":"publish","type":"post","link":"https:\/\/www.bundytubes.com\/vi\/discussion-application-double-wall-brazed-steel-tubing-air-conditioning\/","title":{"rendered":"M\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a \u1ed1ng th\u00e9p h\u00e0n hai l\u1edbp (double wall brazed steel tubing) trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed"},"content":{"rendered":"<h3>1. T\u01b0\u01a1ng lai c\u1ee7a \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/h3>\n<p>Sau h\u00e0ng ch\u1ee5c n\u0103m th\u1ef1c hi\u1ec7n ch\u00ednh s\u00e1ch m\u1edf c\u1eeda v\u00e0 n\u1ed7 l\u1ef1c kh\u00f4ng ng\u1eebng c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed (AC) Trung Qu\u1ed1c, Trung Qu\u1ed1c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 trung t\u00e2m c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. Theo b\u00e1o c\u00e1o, t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed c\u1ee7a Trung Qu\u1ed1c n\u0103m 2011 \u0111\u1ea1t 139 tri\u1ec7u b\u1ed9, chi\u1ebfm kho\u1ea3ng 80% s\u1ea3n l\u01b0\u1ee3ng to\u00e0n c\u1ea7u. \u0110\u1ed3ng th\u1eddi, nhu c\u1ea7u ti\u1ebfp t\u1ee5c t\u0103ng do ch\u00ednh s\u00e1ch \u0111\u00f4 th\u1ecb h\u00f3a, hi\u1ec7n t\u01b0\u1ee3ng n\u00f3ng l\u00ean to\u00e0n c\u1ea7u, v.v.<\/p>\n<p>C\u00f3 hai lo\u1ea1i \u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed:<\/p>\n<p style=\"padding-left: 30px;\">a. \u1ed0ng d\u00f9ng cho trao \u0111\u1ed5i nhi\u1ec7t, v\u00ed d\u1ee5 nh\u01b0 \u1ed1ng d\u00f9ng cho b\u00ecnh ng\u01b0ng, b\u00ecnh bay h\u01a1i;<\/p>\n<p style=\"padding-left: 30px;\">b. \u1ed0ng d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c ngo\u00e0i trao \u0111\u1ed5i nhi\u1ec7t, v\u00ed d\u1ee5 nh\u01b0 \u1ed1ng \u0111\u1eb7t ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c \u1ed1ng n\u1ed1i gi\u1eefa d\u00e0n trong nh\u00e0 v\u00e0 d\u00e0n ngo\u00e0i tr\u1eddi.<\/p>\n<p>B\u1ed9 ph\u1eadn sau \u0111\u00e2y c\u1ea7n trao \u0111\u1ed5i nhi\u1ec7t, do \u0111\u00f3 m\u1edf ra kh\u1ea3 n\u0103ng thay th\u1ebf \u1ed1ng \u0111\u1ed3ng b\u1eb1ng \u1ed1ng th\u00e9p hai l\u1edbp \u0111\u1ed3ng brazed (\u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a th\u00e9p b\u1eb1ng 1\/8,5 so v\u1edbi \u0111\u1ed3ng, n\u00ean th\u00e9p \u00edt th\u1ea5t tho\u00e1t nhi\u1ec7t h\u01a1n \u0111\u1ed3ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n).<\/p>\n<p>\u01af\u1edbc t\u00ednh s\u01a1 b\u1ed9, m\u1ed7i b\u1ed9 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed c\u1ea7n kho\u1ea3ng 1,5 kg \u1ed1ng \u0111\u1ed3ng: d\u00e0n ngo\u00e0i c\u1ea7n 0,5 kg\/b\u1ed9, \u1ed1ng n\u1ed1i c\u1ea7n 1 kg\/b\u1ed9. D\u1ef1a tr\u00ean s\u1ea3n l\u01b0\u1ee3ng n\u0103m 2011, th\u1ecb tr\u01b0\u1eddng ti\u00eau th\u1ee5 kho\u1ea3ng 200.000 t\u1ea5n. N\u1ebfu to\u00e0n b\u1ed9 l\u01b0\u1ee3ng \u1ed1ng \u0111\u1ed3ng n\u00e0y \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng \u1ed1ng th\u00e9p hai l\u1edbp, \u0111\u00e2y s\u1ebd l\u00e0 c\u01a1 h\u1ed9i l\u1edbn cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u1ed1ng th\u00e9p hai l\u1edbp v\u00e0 gi\u00fap ti\u1ebft ki\u1ec7m m\u1ed9t l\u01b0\u1ee3ng t\u00e0i nguy\u00ean \u0111\u1ed3ng kh\u1ed5ng l\u1ed3.<\/p>\n<h3>2. \u0110\u1eb7c t\u00ednh c\u1ee7a \u1ed1ng Bundy d\u00f9ng cho \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/h3>\n<h5>A. Hi\u1ec7u \u1ee9ng l\u00e3o h\u00f3a<\/h5>\n<p>Th\u1eddi gian t\u1eeb khi mua \u0111\u1ebfn khi l\u1eafp \u0111\u1eb7t \u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed th\u01b0\u1eddng kh\u00e1 d\u00e0i; c\u00f2n \u0111\u1ed1i v\u1edbi \u1ed1ng d\u00e0n trong nh\u00e0 v\u00e0 \u1ed1ng n\u1ed1i th\u00ec th\u1eddi gian n\u00e0y c\u00f2n d\u00e0i h\u01a1n n\u1eefa. V\u00ec v\u1eady, \u1ea3nh h\u01b0\u1edfng l\u00e3o h\u00f3a c\u1ee7a \u1ed1ng th\u00e9p hai l\u1edbp \u0111\u1ed3ng brazed ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 linh ho\u1ea1t, gi\u00fap d\u1ec5 u\u1ed1n.<\/p>\n<h5>B. Hi\u1ec7u \u1ee9ng l\u00e0m c\u1ee9ng<\/h5>\n<p>Ch\u1ec9 s\u1ed1 t\u00f4i h\u00f3a (n) c\u00e0ng cao th\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a \u1ed1ng c\u00e0ng l\u1edbn, thu\u1eadn l\u1ee3i cho gia c\u00f4ng ngu\u1ed9i. Ng\u01b0\u1ee3c l\u1ea1i, t\u1ed1c \u0111\u1ed9 t\u00f4i h\u00f3a nhanh s\u1ebd khi\u1ebfn vi\u1ec7c u\u1ed1n v\u00e0 loe \u1ed1ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. Do \u0111\u00f3, \u1ed1ng Bundy d\u00f9ng cho \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed y\u00eau c\u1ea7u ch\u1ec9 s\u1ed1 t\u00f4i h\u00f3a \u1edf m\u1ee9c v\u1eeba ph\u1ea3i \u2013 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 gi\u00e3n d\u00e0i ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<h5>C. \u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc<\/h5>\n<p>a. \u0110\u1ed9 b\u1ec1n k\u00e9o kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1. Gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u l\u00e0 290 MPa \u0111\u1ed1i v\u1edbi \u1ed1ng th\u00e9p, trong khi \u1ed1ng \u0111\u1ed3ng y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u 270 MPa.<\/p>\n<p>b. \u0110\u1ed9 b\u1ec1n ch\u1ea3y c\u1ee7a \u1ed1ng th\u00e9p l\u00e0 t\u1ed1i thi\u1ec3u 180 MPa, tuy nhi\u00ean ng\u00e0nh \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed (AC) l\u1ea1i \u01b0a chu\u1ed9ng \u0111\u1ed9 b\u1ec1n ch\u1ea3y th\u1ea5p h\u01a1n \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c t\u1ea1o h\u00ecnh \u1ed1ng \u2014 l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 d\u01b0\u1edbi 140 MPa.<\/p>\n<p>c. \u0110\u1ed9 gi\u00e3n d\u00e0i: \u1ed1ng th\u00e9p y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u 25%, trong khi ng\u00e0nh AC y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u 38% v\u00e0 \u01b0u ti\u00ean \u0111\u1ea1t 40%.<\/p>\n<h5>D. Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/h5>\n<p>Theo y\u00eau c\u1ea7u v\u1ec1 t\u00ednh n\u0103ng c\u01a1 h\u1ecdc, th\u00e9p si\u00eau \u00edt carbon (carbon d\u01b0\u1edbi 0,004%) s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau \u0111\u1ec1 ra. Th\u00e0nh ph\u1ea7n carbon ban \u0111\u1ea7u c\u1ee7a \u1ed1ng th\u00e9p hai l\u1edbp l\u00e0 0,02\u20130,08%.<\/p>\n<h5>E. Th\u1eed nghi\u1ec7m u\u1ed1n<\/h5>\n<p>Theo ti\u00eau chu\u1ea9n g\u1ed1c \u00e1p d\u1ee5ng cho \u1ed1ng th\u00e9p, b\u00e1n k\u00ednh khu\u00f4n u\u1ed1n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1eb1ng 3 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng \u0111\u1ed1i v\u1edbi \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u2264 8 mm; v\u00e0 b\u1eb1ng 6 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng \u0111\u1ed1i v\u1edbi \u1ed1ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh > 8 mm. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf l\u1eafp \u0111\u1eb7t \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, b\u00e1n k\u00ednh u\u1ed1n th\u01b0\u1eddng nh\u1ecf h\u01a1n 3 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng.<\/p>\n<h5>F. T\u1ef7 l\u1ec7 bi\u1ebfn d\u1ea1ng<\/h5>\n<p>T\u1ef7 l\u1ec7 bi\u1ebfn d\u1ea1ng c\u1ee7a \u1ed1ng \u0111\u1ed3ng d\u00f9ng cho \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed th\u01b0\u1eddng y\u00eau c\u1ea7u \u1edf m\u1ee9c 1,15\u20131,23. (T\u1ef7 l\u1ec7 bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa tr\u1ee5c l\u1edbn v\u00e0 tr\u1ee5c nh\u1ecf c\u1ee7a ti\u1ebft di\u1ec7n h\u00ecnh elip t\u1ea1o th\u00e0nh sau khi u\u1ed1n \u1ed1ng).<\/p>\n<h5>G. B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/h5>\n<p>a. Ki\u1ec3m tra NSS<\/p>\n<p>Nhi\u1ec1u \u1ed1ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi, ch\u1ecbu m\u1ecdi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a \u1ed1ng l\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn. \u0110\u1ed1i v\u1edbi \u1ed1ng d\u00f9ng trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed (AC), y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u th\u01b0\u1eddng l\u00e0 500 gi\u1edd; m\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t th\u1eadm ch\u00ed y\u00eau c\u1ea7u t\u1edbi 1000 gi\u1edd.<\/p>\n<p>b. \u1ea2nh h\u01b0\u1edfng c\u1ee7a h\u00e0n<\/p>\n<p>\u1ed0ng \u0111\u00f4i khi \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n. Nhi\u1ec7t \u0111\u1ed9 h\u00e0n cao h\u01a1n 800\u2103, c\u00f2n nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda c\u00f2n cao h\u01a1n n\u1eefa. L\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c n\u00f3ng ch\u1ea3y ho\u1eb7c b\u1ecb suy gi\u1ea3m.<\/p>\n<p>c. \u0110\u1ed9 gi\u00e3n d\u00e0i<\/p>\n<p>\u1ed0ng c\u1ea7n \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n, v\u00e0 l\u1edbp ph\u1ee7 n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c bong tr\u00f3c, n\u1ee9t v\u1ee1 sau khi \u1ed1ng b\u1ecb u\u1ed1n cong, loe \u0111\u1ea7u ho\u1eb7c co l\u1ea1i.<\/p>\n<p>d. Kh\u1ea3 n\u0103ng h\u00e0n<\/p>\n<p>B\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a \u1ed1ng ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c \u1ed1ng \u0111\u1ed3ng. Y\u00eau c\u1ea7u n\u00e0y gi\u1edbi h\u1ea1n lo\u1ea1i l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t ngo\u00e0i v\u00e0 \u0111\u1ed3ng th\u1eddi l\u00e0m t\u0103ng \u0111\u1ed9 kh\u00f3 c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n.<\/p>\n<h5>H. \u0110\u1ed9 s\u1ea1ch b\u00ean trong<\/h5>\n<p>L\u01b0\u1ee3ng d\u01b0 c\u1ee7a \u1ed1ng th\u00e9p \u0111\u1ed3ng brazed l\u00e0 160 mg\/m\u00b2, trong khi \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed y\u00eau c\u1ea7u \u1edf m\u1ee9c 25\u201338 mg\/m\u00b2.<\/p>\n<h3>3. K\u1ebft lu\u1eadn<\/h3>\n<p>\u1ed0ng \u0111\u1ed3ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c h\u00e0n th\u1ee7 c\u00f4ng. Ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o kinh nghi\u1ec7m v\u00e0 tay ngh\u1ec1 c\u1ee7a ng\u01b0\u1eddi th\u1ee3, v\u00e0 kh\u1ea3 n\u0103ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n l\u1ea1nh r\u1ea5t cao do h\u00e0n th\u1ee7 c\u00f4ng kh\u00f4ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian h\u00e0n. Ngo\u00e0i ra, \u1ea3nh h\u01b0\u1edfng c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n l\u00ean b\u1ec1 m\u1eb7t c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 l\u1edbn khi c\u1ea7n thay th\u1ebf.<\/p>\n<p>Ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u v\u00e0 th\u00ed nghi\u1ec7m. C\u00e1c m\u1eabu \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m tr\u00ean \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p trong b\u00e1o c\u00e1o d\u00e0i h\u01a1n 40 trang. Sau c\u00e1c th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf tr\u00ean s\u1ea3n ph\u1ea9m, ch\u00fang t\u00f4i \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 c\u00f4ng nh\u1eadn t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed h\u00e0ng \u0111\u1ea7u v\u00e0 \u0111ang mong ch\u1edd b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 \u1ee9ng d\u1ee5ng quy m\u00f4 nh\u1ecf.<\/p>\n<p>D\u1ef1a tr\u00ean c\u00e1c ph\u00e2n t\u00edch n\u00eau tr\u00ean, k\u1ebft lu\u1eadn c\u1ee7a ch\u00fang t\u00f4i l\u00e0 kh\u1ea3 n\u0103ng thay th\u1ebf \u1ed1ng \u0111\u1ed3ng b\u1eb1ng \u1ed1ng th\u00e9p hai l\u1edbp \u0111\u1ed3ng brazed l\u00e0 r\u1ea5t cao. Tuy nhi\u00ean, v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 tr\u1edf ng\u1ea1i k\u1ef9 thu\u1eadt c\u1ea7n gi\u1ea3i quy\u1ebft \u2014 \u0111\u00e2y l\u00e0 th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi to\u00e0n ng\u00e0nh.<\/p>\n<p>\u0110\u1ed3ng th\u1eddi, ng\u00e0nh \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed c\u1ea7n th\u1eddi gian d\u00e0i \u0111\u1ec3 ki\u1ec3m ch\u1ee9ng v\u00e0 ch\u1ea5p nh\u1eadn c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi. Vi\u1ec7c thay th\u1ebf \u1ed1ng \u0111\u1ed3ng b\u1eb1ng \u1ed1ng th\u00e9p hai l\u1edbp \u0111\u1ed3ng brazed v\u1eabn c\u00f2n m\u1ed9t ch\u1eb7ng \u0111\u01b0\u1eddng d\u00e0i ph\u00eda tr\u01b0\u1edbc.<\/p>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.2\"><\/script>","protected":false},"excerpt":{"rendered":"<p>1. T\u01b0\u01a1ng lai c\u1ee7a \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed Sau h\u00e0ng ch\u1ee5c n\u0103m th\u1ef1c hi\u1ec7n ch\u00ednh s\u00e1ch m\u1edf c\u1eeda v\u00e0 n\u1ed7 l\u1ef1c kh\u00f4ng ng\u1eebng c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed (AC) Trung Qu\u1ed1c, Trung Qu\u1ed1c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 trung t\u00e2m c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. Theo b\u00e1o c\u00e1o, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3179","post","type-post","status-publish","format-standard","hentry","category-tube-tech"],"_links":{"self":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts\/3179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/comments?post=3179"}],"version-history":[{"count":0,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts\/3179\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/media?parent=3179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/categories?post=3179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/tags?post=3179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}