C41110TM00铜合金,TM02,TM03,TM04,TM06,TM08,TM10 面议 C41110H04铜合金,H06,H08,H10,H12,H14,H15,H16,H11 面议 C41110 面议 C41110EH铜合金SH,ESH,M20,H00,H01,H02,H03 面议 C41110M铜合金Y2,Y,O,1/4H,1/2H,3/4H,H 面议 K62R480高导电C18080K88铜合金带C18080TM04圆棒C18080TM08板化学成分 面议