CuZn23Al4 铜合金棒/板/线/带/管
CuSn4Zn4pb4 铜合..
CuSn3Zn9 铜合金棒/..
CuSn8P CuSn8.5..
CuSn4P CuSn6P ..
CuZn36Ni2 铜合金棒..
CuZn22Al2 铜合金棒..