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Qhov tseem ceeb ntawm cov tsev pheeb suab ntaub
Lub tsev pheeb suab ntaub yog ib qho qauv tsim rau lub tsev pheeb suab ntaub, tab sis vim muaj coob tus neeg tsis paub qhov tseem ceeb ntawm lub tsev pheeb suab ntaub, ntau tus neeg yeej tsis nqa lub tsev pheeb suab ntaub thaum lawv tawm mus pw hav zoov.Txawm yog lawv ua li ntawd los lawv yuav tsis siv.Lub tsev pheeb suab hlua, tseem hu ua txoj hlua windproof, feem ntau yog siv rau ...Nyeem ntxiv -
Vim li cas aramid thiaj li kim?
Aramid, lub npe hu ua aromatic polyamide fiber, yog ib lub ntiaj teb sab saum toj peb high-tech fibers (carbon fiber, aramid, thiab high-strength, high-modulus polyethylene fiber) hnub no.Nws yog dav siv hauv cov ntaub ntawv sib xyaw, cov khoom tsis zoo, cov khoom siv hauv tsev, cov khaub ncaws tiv thaiv tshwj xeeb, elec ...Nyeem ntxiv