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Nov 09, 2017Kev siv cov khoom siv hluav taws xob teebLub tuam txhab cov khoom siv ci ntsa iav muaj ntau lub teeb kis tau xim, thiab lub teeb hloov mus txog 50% -90%. -
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Oct 23, 2017Cov nplais vuas luaj tsim cov qauv tshiabCov nplais pobzeb cov nplais tsim cov txheej txheem los tsim cov khoom. Daim ntawv tsim muaj cov yam ntxwv ntawm lub zog, hom loj -
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Oct 18, 2017Taw qhia rau kev ua tiav cov khoom siv vov tsevRoofing pobzeb cov khoom siv yog cov phooj ywg zoo, hnyav, lub teeb thiab zoo nkauj, thiab nws yog xoom-poob thaum nruab thiab yuav muab dua.![Qee cov lus qhia luv luv rau cov khoom siv cov nplais pob zeb]()
Oct 09, 2017Qee cov lus qhia luv luv rau cov khoom siv cov nplais pob zebCov khoom siv tho nthwv dej yog ob chav txheej hollow pobzeb nplais cov khoom tsim los ntawm peb lub tuam txhab kev txhim kho ntawm lub hauv pa
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