触点合金 meaning in English

contact alloy

Specification for gold - silver - platinum electrical contact alloy
金银铂电触点合金规范
Specification for palladium - silver - copper electrical contact alloy
钯银铜电触点合金规范
Specification for gold electrical contact alloy
金电触点合金规范
Standard specification for gold - silver - nickel electrical contact alloy
金银镍电触点合金标准规范