Kev paub
-
20
May
Cov e-luam yeeb puas tuaj yeem nqa los ntawm lub dav hlau?Cov e-luam yeeb puas tuaj yeem nqa los ntawm lub dav hlau?
Ntau -
18
May
E-luam yeeb muaj kev nyab xeeb heevCov luam yeeb hluav taws xob zoo kuj muaj kev nyab xeeb siab
Ntau -
17
May
E-luam yeeb yog hloov tauCov khoom lag luam e-luam yeeb tau ua tiav lawv tus kheej yooj yim thiab siv yooj yim los ntawm kev kawm cov neeg siv khoom nyiam thiab tus cwj pwm
Ntau -
16
May
Yog vim li cas e-luam yeeb muag tau zooRaws li peb txhua tus paub, cov luam yeeb zoo tib yam muaj cov tar thiab carbon monoxide, carbon dioxide thiab lead, mercury thiab acrolein thiab lwm yam teeb meem rau tib neeg lub cev.
Ntau -
14
May
Dab tsi yog qhov zoo ntawm e-luam yeeb?"Kev haus luam yeeb hauv hluav taws xob" yog cov khoom siv hluav taws xob uas tsis muaj hluav taws xob, nws cov txiaj ntsig zoo ib yam li cov pa luam yeeb zoo tib yam, tuaj yeem ua kom rov zoo, txaus
Ntau -
13
May
Qhov txawv ntawm e-luam yeeb thiab luam yeebCov duab ntawm cov luam yeeb hluav taws xob muaj ntau haiv neeg, uas tuaj yeem ua tau raws li kev ua kom zoo nkauj ntawm cov hnub nyoog sib txawv.
Ntau -
12
May
Tej teeb meem thiab kev ceev faj rau cov neeg tshiab hauv cov txheej txheem n...Ua ntej, thaum lub tshuab luam yeeb hluav taws xob ua haujlwm, lub atomizer yuav ua suab nrov, uas yog lub suab ntawm atomizer atomizing cov roj luam yeeb.
Ntau -
11
May
Cov khoom siv twg yog e-luam yeeb ua los ntawm?Cov khoom siv twg yog e-luam yeeb ua los ntawm?
Ntau -
10
May
Lub sijhawm thiab yav tom ntej ntawm e-luam yeeb hauv Suav tebYuav ua li cas formalize kev hloov pauv ntawm cov luam yeeb hluav taws xob? Yuav ua li cas cov neeg ua lag luam tuaj yeem khaws e-luam yeeb nyab xeeb thiab muag rau cov neeg siv uas xav tau tiag tiag?
Ntau
