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单词
oil-well pump
释义
oil-well pump
oil-well pump
[
′ȯil ‚wel ‚pəmp
]
(petroleum engineering)
Device for artificial or secondary (non-gas-lift) oil production; about 85% of the production is by ground-level sucker-rod pumps, the remainder by downhole hydraulic lift pumps.
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vestry clerk
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vest (something) in (someone or something)
vestspitsbergen
vest them with
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vesture of land
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vesu
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更新时间:2025/6/5 18:00:06