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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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更新时间:2025/10/14 16:57:37