Brass phaj yog ib qho ntawm cov khoom siv hlau sib xyaw uas txhua tus tau pom, thiab nws kuj yog ib qho ntawm cov khoom siv hlau zoo tshaj plaws.Nws yog ib qho nyuaj me ntsis, nruj heev, hnav-resistant thiab muaj ductility zoo.Tsis tas li ntawd, thermal conductivity thiab hluav taws xob conductivity kuj txheeb ze ...
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