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单词
casinghead
释义
casinghead
noun
:
a fitting at the top of the casing of an oil or gas well to allow pumping, cleaning, and the separation of gas from oil
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overt
propitiating
propitiatingly
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propitiously
propitiousness
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propjet
propjet engine
propjets
propl
proplasm
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proplastids
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propleuron
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更新时间:2026/4/22 13:51:45