ZCuAl11Fe3 ZCuAl10Fe3Mn2环保铜合金板
ZCuZn26Al4Fe3M..
C14700 C14510 ..
ZCuAl9Mn2 ZCuA..
ZCuZn38Mn2Pb2 ..
ZCuAl11Fe3 ZCu..
ZHMnD58-2 ZHMn..