“银合金”造句

在这和中心之间是一种铜银合金.
Between this and the core is an alloy of copper and silver.

铜基合金电触头是银合金触头的换代产品.
Copper - based alloy electrical contact is silver alloy contact replacement.

简要分析了银合金变色的原因.
The reasons why the silver alloys tarnished are analyzed briefly.

• #银合金