Xov Xwm Tuam Txhab
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Yuav ua li cas paub qhov txawv ntawm daim iav nyiaj thiab aluminium iav?
1. Ua ntej tshaj plaws, saib qhov pom tseeb ntawm kev xav ntawm cov iav nyiaj thiab cov iav aluminium Piv nrog cov lacquer ntawm lub ntsej muag ntawm daim iav aluminium, lub lacquer ntawm cov iav nyiaj yog qhov tob dua, thaum lub lacquer ntawm aluminium iav yog sib dua. Daim iav nyiaj yog qhov tseeb ntau dua li qhov ...Nyeem ntxiv -
Yuav ua li cas kom tsis txhob ntug chipping thaum txiav iav nrog dej dav hlau?
Thaum waterjet txiav cov khoom iav, qee cov khoom siv yuav muaj teeb meem ntawm chipping thiab tsis sib npaug iav npoo tom qab txiav. Qhov tseeb, lub dav hlau tsim tau zoo muaj cov teeb meem zoo li no. Yog tias muaj teeb meem, cov nram qab no ntawm cov dej dav hlau yuav tsum tau tshawb xyuas sai li sai tau. 1. Cov dej...Nyeem ntxiv -
Yuav ua li cas paub qhov txawv "iav" - qhov txawv ntawm qhov zoo ntawm laminated iav thiab insulating iav
Dab tsi yog insulating iav? Insulating iav tau tsim los ntawm cov neeg Amelikas xyoo 1865. Nws yog ib yam tshiab ntawm cov khoom siv hauv tsev nrog cov rwb thaiv tsev zoo, suab rwb thaiv tsev, zoo nkauj thiab siv tau, uas tuaj yeem txo qhov hnyav ntawm lub tsev. Nws siv ob (lossis peb) daim iav ntawm lub khob. Khoom siv...Nyeem ntxiv