tooj dag
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Brass industrial tooj liab ntshiab tooj dag phaj thiab raj
Brass phaj yog ib hom siv lead ua tooj dag, muaj cov khoom siv zoo, thiab kev ua haujlwm zoo, tuaj yeem tiv taus kub thiab txias ua haujlwm, siv rau hauv kev txiav thiab stamping ua ntawm ntau yam qauv, xws li gaskets, bushings, thiab lwm yam. Tin tooj dag phaj muaj siab corrosion kuj, zoo mechanical zog, zoo siab ua nyob rau hauv txias thiab kub lub xeev, yuav siv tau rau kev sib cuag nrog cov roj thiab lwm yam khoom.