Copper Round Qws / Bar
Lus piav qhia luv luv:
Copper pas nrig yog ib hom uas tsis yog-ferrous hlau ua cov pas nrig nrog kev ua tau zoo thiab kev siv hluav taws xob siab.Feem ntau muab faib ua tooj dag rods (tooj liab-zinc alloy, pheej yig dua) thiab liab tooj liab rods (ntau dua tooj liab ntsiab lus).
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