精铜 黄铜,

含锌在36~42%之间的黄铜合金由和固溶体组成.
供应精铜特供h65黄铜排h59黄铜排c5210磷铜棒
精铜h65黄铜线h62黄铜线h68黄铜线
精铜特供c2680黄铜带h65黄铜带h65高精黄铜带
精铜直销h65黄铜棒h59黄铜棒h62黄铜板