relief valve是什么意思 relief valve怎么读
relief valve的英文翻译是什么意思，词典释义与在线翻译
Noun:- a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
relief valve的用法和样例
用作名词 (n.)
- Remove the elbows from the relief valve base.
从安全阀底座拆卸弯头。 - Never plug the discharge of a pressure safety relief valve!
绝对不要堵塞压力安全阀的排泄口！
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