base-metal attack母材金属腐蚀
base-metal couple黑色金属温差电偶;碱金属热电偶
cu base filler metal铜基钎料
base clad metal廉金属
base earth metal promoter碱土金属助剂
base white metal linings铅基白合金衬层
base-metal thermocouple基体金属热电偶
lead base babbit metal铅基巴比合金
zinc base bearing metal[材] 锌基轴承合金
N-VAR（有变体名词） A base metal is a metal such as copper, zinc, tin, or lead that is not a precious metal. 普通金属