{"id":539486,"date":"2026-05-09T10:00:15","date_gmt":"2026-05-09T03:00:15","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=539486"},"modified":"2026-05-09T10:00:15","modified_gmt":"2026-05-09T03:00:15","slug":"sua-tu-lanh-hitachi-inverter","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/sua-tu-lanh-hitachi-inverter\/","title":{"rendered":"S\u1eeda T\u1ee7 L\u1ea1nh Hitachi Inverter: Gi\u1ea3i Ph\u00e1p Chuy\u00ean Nghi\u1ec7p, Uy T\u00edn"},"content":{"rendered":"

S\u1eeda t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b> l\u00e0 qu\u00e1 tr\u00ecnh ki\u1ec3m tra, ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 c\u1ee7a t\u1ee7 l\u1ea1nh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 Inverter, \u0111\u1ea3m b\u1ea3o t\u1ee7 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n. D\u1ecbch v\u1ee5 n\u00e0y \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt cao v\u00e0 linh ki\u1ec7n ch\u00ednh h\u00e3ng \u0111\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c tu\u1ed5i th\u1ecd c\u0169ng nh\u01b0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u cho s\u1ea3n ph\u1ea9m.<\/span><\/p>\n

Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 t\u1ee7 l\u1ea1nh Hitachi inverter v\u00e0 nhu c\u1ea7u s\u1eeda ch\u1eefa<\/b><\/h2>\n

T\u1ee7 l\u1ea1nh Hitachi Inverter l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u t\u1ea1i Vi\u1ec7t Nam nh\u1edd c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 b\u1ec1n cao. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, kh\u00f4ng tr\u00e1nh kh\u1ecfi nh\u1eefng s\u1ef1 c\u1ed1 ph\u00e1t sinh \u0111\u00f2i h\u1ecfi ph\u1ea3i <\/span>s\u1eeda t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b> \u0111\u00fang c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. Vi\u1ec7c s\u1eeda ch\u1eefa k\u1ecbp th\u1eddi gi\u00fap b\u1ea3o v\u1ec7 th\u1ef1c ph\u1ea9m, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd t\u1ee7 l\u1ea1nh v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed thay m\u1edbi linh ki\u1ec7n.<\/span><\/p>\n

\"sua-tu-lanh-hitachi-inverter-1\"<\/p>\n

C\u00f4ng ngh\u1ec7 Inverter c\u1ee7a Hitachi gi\u00fap t\u1ee7 l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, h\u1ea1n ch\u1ebf ti\u1ebfng \u1ed3n, ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c d\u00f2ng th\u00f4ng th\u01b0\u1eddng. Thi\u1ebft k\u1ebf sang tr\u1ecdng, nhi\u1ec1u t\u00ednh n\u0103ng th\u00f4ng minh nh\u01b0 l\u00e0m l\u1ea1nh nhanh, kh\u1eed m\u00f9i, l\u1ecdc kh\u00f4ng kh\u00ed\u2026 khi\u1ebfn s\u1ea3n ph\u1ea9m r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng t\u1ea1i c\u00e1c gia \u0111\u00ecnh, v\u0103n ph\u00f2ng, nh\u00e0 h\u00e0ng l\u1edbn nh\u1ecf tr\u00ean to\u00e0n qu\u1ed1c. Tuy nhi\u00ean, c\u1ea5u t\u1ea1o ph\u1ee9c t\u1ea1p c\u0169ng khi\u1ebfn vi\u1ec7c <\/span>s\u1eeda t\u1ee7 l\u1ea1nh Hitachi inveter<\/b> tr\u1edf n\u00ean chuy\u00ean bi\u1ec7t, \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 chuy\u00ean m\u00f4n cao v\u00e0 linh ki\u1ec7n ch\u00ednh h\u00e3ng.<\/span><\/p>\n

Tr\u01b0\u1edbc nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng, c\u00e1c <\/span>d\u1ecbch v\u1ee5 s\u1eeda t\u1ee7 l\u1ea1nh <\/b>chuy\u00ean nghi\u1ec7p xu\u1ea5t hi\u1ec7n ng\u00e0y c\u00e0ng nhi\u1ec1u, cam k\u1ebft mang l\u1ea1i gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, nhanh ch\u00f3ng t\u1ea1i nh\u00e0 cho kh\u00e1ch h\u00e0ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn trung t\u00e2m uy t\u00edn kh\u00f4ng ch\u1ec9 mang l\u1ea1i s\u1ef1 y\u00ean t\u00e2m v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o quy\u1ec1n l\u1ee3i b\u1ea3o h\u00e0nh sau s\u1eeda ch\u1eefa.<\/span><\/p>\n

C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi s\u1eeda t\u1ee7 l\u1ea1nh Hitachi inverter v\u00e0 gi\u1ea3i ph\u00e1p<\/b><\/h2>\n

C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p \u1edf t\u1ee7 l\u1ea1nh Hitachi Inverter kh\u00e1 \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p do \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang nguy\u00ean nh\u00e2n v\u00e0 \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p chuy\u00ean nghi\u1ec7p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t gi\u00fap kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 tri\u1ec7t \u0111\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p nh\u1eefng <\/span>l\u1ed7i th\u01b0\u1eddng g\u1eb7p t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b> v\u00e0 h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd cho t\u1eebng tr\u01b0\u1eddng h\u1ee3p:<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter kh\u00f4ng l\u1ea1nh ho\u1eb7c k\u00e9m l\u1ea1nh<\/b><\/h3>\n

T\u1ee7 l\u1ea1nh Hitachi<\/a><\/strong> kh\u00f4ng l\u1ea1nh ho\u1eb7c l\u00e0m l\u1ea1nh y\u1ebfu l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t \u1edf ng\u0103n m\u00e1t, ng\u0103n \u0111\u00f4ng. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do h\u1ebft gas, t\u1eafc ngh\u1ebdn ho\u1eb7c r\u00f2 r\u1ec9 gas, h\u1ecfng block (m\u00e1y n\u00e9n Inverter), qu\u1ea1t d\u00e0n l\u1ea1nh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u1ecfng board m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n, ho\u1eb7c gio\u0103ng c\u1eeda b\u1ecb h\u1edf khi\u1ebfn h\u01a1i l\u1ea1nh tho\u00e1t ra ngo\u00e0i.<\/span><\/p>\n

\u0110\u1ec3 kh\u1eafc ph\u1ee5c, k\u1ef9 thu\u1eadt vi\u00ean s\u1ebd ki\u1ec3m tra l\u01b0\u1ee3ng gas v\u00e0 ti\u1ebfn h\u00e0nh n\u1ea1p gas n\u1ebfu c\u1ea7n, thay block Inverter khi b\u1ecb h\u1ecfng (<\/span>thay block t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b>), s\u1eeda ch\u1eefa ho\u1eb7c thay m\u1edbi board m\u1ea1ch, ki\u1ec3m tra v\u00e0 thay qu\u1ea1t, thay gio\u0103ng c\u1eeda b\u1ecb l\u00e3o h\u00f3a. Vi\u1ec7c s\u1eeda ch\u1eefa c\u1ea7n chuy\u00ean m\u00f4n cao, tr\u00e1nh t\u1ef1 \u00fd can thi\u1ec7p g\u00e2y h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng h\u01a1n. N\u1ebfu g\u1eb7p t\u00ecnh tr\u1ea1ng <\/span>t\u1ee7 l\u1ea1nh Hitachi Inverter kh\u00f4ng l\u1ea1nh<\/b>, h\u00e3y li\u00ean h\u1ec7 ngay d\u1ecbch v\u1ee5 s\u1eeda ch\u1eefa uy t\u00edn \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ecbp th\u1eddi.<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter b\u00e1o l\u1ed7i (m\u00e3 l\u1ed7i tr\u00ean m\u00e0n h\u00ecnh)<\/b><\/h3>\n

Khi t\u1ee7 l\u1ea1nh Hitachi Inverter b\u00e1o l\u1ed7i b\u1eb1ng c\u00e1c m\u00e3 nh\u01b0 F0-02, F0-07, F1-01, F1-02\u2026 tr\u00ean m\u00e0n h\u00ecnh, \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u t\u1ee7 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 v\u1ec1 c\u1ea3m bi\u1ebfn, qu\u1ea1t, block ho\u1eb7c bo m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n. M\u1ed7i m\u00e3 l\u1ed7i \u0111\u1ec1u c\u00f3 \u00fd ngh\u0129a ri\u00eang, gi\u00fap k\u1ef9 thu\u1eadt vi\u00ean x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c linh ki\u1ec7n g\u1eb7p v\u1ea5n \u0111\u1ec1.<\/span><\/p>\n

\"sua-tu-lanh-hitachi-inverter-2\"<\/p>\n

Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u1ed3m: h\u1ecfng c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, l\u1ed7i board m\u1ea1ch, s\u1ef1 c\u1ed1 qu\u1ea1t gi\u00f3 ho\u1eb7c m\u1ea5t k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn. Gi\u1ea3i ph\u00e1p l\u00e0 \u0111\u1ecdc m\u00e3 l\u1ed7i, ki\u1ec3m tra k\u1ef9 c\u00e1c b\u1ed9 ph\u1eadn li\u00ean quan, thay th\u1ebf c\u1ea3m bi\u1ebfn, <\/span>s\u1eeda board m\u1ea1ch t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b> ho\u1eb7c thay m\u1edbi n\u1ebfu c\u1ea7n thi\u1ebft. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng, vi\u1ec7c t\u1ef1 x\u1eed l\u00fd c\u00e1c l\u1ed7i n\u00e0y kh\u00f4ng n\u00ean th\u1ef1c hi\u1ec7n n\u1ebfu kh\u00f4ng c\u00f3 chuy\u00ean m\u00f4n, v\u00ec d\u1ec5 g\u00e2y ra c\u00e1c h\u1ecfng h\u00f3c n\u1eb7ng h\u01a1n.<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter kh\u00f4ng \u0111\u00f4ng \u0111\u00e1 ho\u1eb7c l\u00e0m \u0111\u00e1 y\u1ebfu<\/b><\/h3>\n

Ng\u0103n \u0111\u00f4ng kh\u00f4ng \u0111\u00f4ng \u0111\u00e1, l\u00e0m \u0111\u00e1 y\u1ebfu ho\u1eb7c qu\u00e1 l\u00e2u m\u1edbi c\u00f3 \u0111\u00e1 l\u00e0 l\u1ed7i c\u00f3 th\u1ec3 g\u1eb7p \u1edf nhi\u1ec1u d\u00f2ng t\u1ee7 l\u1ea1nh Hitachi Inverter. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng do nhi\u1ec7t \u0111\u1ed9 c\u00e0i \u0111\u1eb7t kh\u00f4ng \u0111\u00fang, block l\u00e0m l\u1ea1nh y\u1ebfu, thi\u1ebfu gas, b\u1ed9 ph\u1eadn l\u00e0m \u0111\u00e1 ho\u1eb7c van c\u1ea5p n\u01b0\u1edbc b\u1ecb t\u1eafc, board m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n l\u00e0m \u0111\u00e1 g\u1eb7p s\u1ef1 c\u1ed1.<\/span><\/p>\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft, k\u1ef9 thu\u1eadt vi\u00ean s\u1ebd ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9, v\u1ec7 sinh ng\u0103n \u0111\u00f4ng, ki\u1ec3m tra v\u00e0 thay th\u1ebf linh ki\u1ec7n h\u1ecfng, n\u1ea1p gas ho\u1eb7c <\/span>c\u00e1ch s\u1eeda t\u1ee7 l\u1ea1nh Hitachi Inverter kh\u00f4ng \u0111\u00f4ng \u0111\u00e1<\/b>. \u0110\u1ed1i v\u1edbi c\u00e1c model c\u00f3 t\u00ednh n\u0103ng l\u00e0m \u0111\u00e1 t\u1ef1 \u0111\u1ed9ng, c\u1ea7n ki\u1ec3m tra c\u1ea3 h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc, l\u1ecdc n\u01b0\u1edbc v\u00e0 van \u0111i\u1ec7n.<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter b\u00e1o \u0111\u00e8n \u0111\u1ecf, b\u00e1o \u0111\u00e8n cam<\/b><\/h3>\n

M\u1ed9t s\u1ed1 model t\u1ee7 l\u1ea1nh Hitachi Inverter s\u1ebd b\u00e1o \u0111\u00e8n \u0111\u1ecf ho\u1eb7c cam khi g\u1eb7p s\u1ef1 c\u1ed1 v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n. \u0110\u00e8n \u0111\u1ecf th\u01b0\u1eddng b\u00e1o ng\u0103n \u0111\u00f4ng kh\u00f4ng \u0111\u1ee7 l\u1ea1nh, \u0111\u00e8n cam b\u00e1o l\u1ed7i v\u1ec1 c\u1ea3m bi\u1ebfn, qu\u1ea1t ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/span><\/p>\n

C\u00e1ch x\u1eed l\u00fd l\u00e0 ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n, c\u1ea3m bi\u1ebfn, qu\u1ea1t v\u00e0 board m\u1ea1ch. N\u1ebfu \u0111\u00e8n v\u1eabn kh\u00f4ng t\u1eaft sau khi ki\u1ec3m tra, h\u00e3y li\u00ean h\u1ec7 d\u1ecbch v\u1ee5 <\/span>s\u1eeda t\u1ee7 l\u1ea1nh Hitachi t\u1ea1i nh\u00e0<\/b> \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 chuy\u00ean nghi\u1ec7p, tr\u00e1nh l\u00e0m h\u1ecfng c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed b\u00ean trong.<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter b\u1ecb ch\u1ea3y n\u01b0\u1edbc<\/b><\/h3>\n

T\u1ee7 l\u1ea1nh b\u1ecb ch\u1ea3y n\u01b0\u1edbc l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u1eb7p, xu\u1ea5t ph\u00e1t t\u1eeb \u1ed1ng x\u1ea3 n\u01b0\u1edbc b\u1ecb t\u1eafc, block ho\u1ea1t \u0111\u1ed9ng k\u00e9m ho\u1eb7c gio\u0103ng c\u1eeda b\u1ecb h\u1edf. \u0110\u00f4i khi do t\u1ee7 l\u1ea1nh \u0111\u1ec3 s\u00e1t t\u01b0\u1eddng, h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch.<\/span><\/p>\n

\"sua-tu-lanh-hitachi-inverter-3\"<\/p>\n

\u0110\u1ec3<\/span> s\u1eeda t\u1ee7 l\u1ea1nh Hitachi <\/b>b\u1ecb ch\u1ea3y n\u01b0\u1edbc, k\u1ef9 thu\u1eadt vi\u00ean s\u1ebd v\u1ec7 sinh \u1ed1ng x\u1ea3, ki\u1ec3m tra v\u00e0 thay th\u1ebf gio\u0103ng, ki\u1ec3m tra block v\u00e0 board m\u1ea1ch. Vi\u1ec7c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch gi\u00fap ng\u0103n ng\u1eeba h\u01b0 h\u1ea1i c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111i\u1ec7n.<\/span><\/p>\n

T\u1ee7 l\u1ea1nh Hitachi inverter kh\u00f4ng ch\u1ea1y, kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c<\/b><\/h3>\n

N\u1ebfu t\u1ee7 l\u1ea1nh kh\u00f4ng ch\u1ea1y, kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c, nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 t\u1eeb ngu\u1ed3n \u0111i\u1ec7n, h\u1ecfng board m\u1ea1ch, block b\u1ecb l\u1ed7i ho\u1eb7c relay b\u1ea3o v\u1ec7 b\u1ecb ch\u00e1y. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p do t\u1ee5 kh\u1edfi \u0111\u1ed9ng ho\u1eb7c linh ki\u1ec7n nh\u1ecf b\u00ean trong b\u1ecb h\u1ecfng.<\/span><\/p>\n

Gi\u1ea3i ph\u00e1p l\u00e0 ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o, \u0111o \u0111i\u1ec7n \u00e1p, ki\u1ec3m tra v\u00e0 <\/span>s\u1eeda board m\u1ea1ch t\u1ee7 l\u1ea1nh Hitachi Inverter<\/b>, thay block ho\u1eb7c c\u00e1c linh ki\u1ec7n li\u00ean quan. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng t\u1ef1 \u00fd th\u00e1o r\u1eddi n\u1ebfu kh\u00f4ng c\u00f3 chuy\u00ean m\u00f4n, h\u00e3y li\u00ean h\u1ec7 th\u1ee3 gi\u1ecfi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

C\u00e1ch l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 s\u1eeda t\u1ee7 l\u1ea1nh Hitachi inverter uy t\u00edn, ch\u00ednh h\u00e3ng<\/b><\/h2>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n khi s\u1eed d\u1ee5ng t\u1ee7 l\u1ea1nh<\/strong><\/a>, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang trung t\u00e2m d\u1ecbch v\u1ee5 ch\u00ednh h\u00e3ng v\u00e0 th\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. D\u1ecbch v\u1ee5 uy t\u00edn s\u1ebd gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng linh ki\u1ec7n ch\u00ednh h\u00e3ng, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng v\u00e0 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n t\u1eadn t\u00ecnh v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng, b\u1ea3o tr\u00ec t\u1ee7 l\u1ea1nh sau s\u1eeda ch\u1eefa.<\/span><\/p>\n