well head

英美

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- 井源,井口
英英释义
名词 wellhead:

the source of water for a well

a structure built over a well
例句
临近单词

Wellin well well-appointed kitchen well-formed constraint Well do I remember it. Well is not easy work. well-founded structure well-founded induction well-defined operation well--known scholars wellbore multiphase flow well-oiled disposition

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