Mallet alloy

• 马雷特合金,马雷特黄铜,黄铜

Mallet alloy的用法和样例：

例句

1. Brass is an alloy of copper and zinc.
   黄铜是铜和锌的合金。
2. Show that it is possible to make the substitutional alloy brass.
   试说明制造替代式合金黄铜。