英语词汇“traveling valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	traveling valve
释义	traveling valve traveling valve [′trav·əl·iŋ ′valv] (petroleum engineering) A sucker-rod-pump (oil well) discharge valve that moves with the plunger of a stationary-barrel-type pump, and with the barrel of a traveling-barrel-type pump; contrasted with a standing valve.
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