Xov xwm

1. Khoom Muag Khoom: Pec205a kev lag luam hlau sib cais tau txais cov cuab yeej siv German, nrog rau siab rhiab heev thiab kev ntseeg siab; Nws yog...

1. Hlau ntes: nws tuaj yeem ntes hlau, stainless hlau, tooj liab, txhuas thiab lwm yam hlau. Kev tshawb pom qhov tseeb thiab rhiab heev yog qhov si...

Siv lub hauv paus ntsiab lus ntawm electromagnetic induction, ib tug rhiab magnetic teb hloov los ntawm kev siv lub kauj los ntawm cov alternating ...

Ua tsaug rau cov neeg siv khoom txhawb nqa los ntawm Beijing. Txais tos kom sab laj txog kev kuaj hlau

Nyob rau hauv xyoo tas los no, kev tsim kho kev lag luam yog qhov tseem ceeb tshaj plaws los txhawb kev lag luam. Kev ntsuam xyuas tsis zoo yog ib ...

Taw qhia rau X-ray

Hand-held metal detectors are often used to detect metal objects carried by people or objects. It can detect weapons, explosives or small pieces of...

Thaum cov hlau ntes tau yuav, tag nrho cov ntaub ntawv yog khoob, yog li peb yuav tsum tau teeb tsa nws cov hlau thaum siv nws kom nws tuaj yeem ua...

Dawb lub caij nplooj zeeg. Poob- hom hlau ntes feem ntau yog nruab nrog cov cuab yeej tsis siv neeg tsis siv neeg, yog li nws yog txoj cai hu rau l...

Muab faib los ntawm txoj kev xa khoom ntawm cov khoom kuaj pom, cov khoom siv hlau feem ntau muab faib ua: hom channel, hom poob thiab hom kav dej....

Hlau ntes yog cov ntawv luv ntawm cov hlau ntes, uas yog siv los kuaj xyuas cov khoom hlau txawv teb chaws sib xyaw hauv cov txheej txheem tsim kho...

Feem ntau muaj peb hom kev xeem rau lub hnab: 1. Kev xeem ua haujlwm: ib qho kev xeem uas feem ntau pom cov khoom siv tseem ceeb ntawm lub hnab. Pi...