英语词汇“nodding donkey”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	nodding donkey
释义	nodding donkey nodding donkey n (Mining & Quarrying) informal (in the oil industry) a type of reciprocating pump used to extract oil from an inland well [C20: so called from its shape and movement]
随便看	facet joint facet joints facet j's face to face face-to-face face-to-face dimension face-to-face interaction field work fieldwork field work authorization field work educator fieldworker fieldworkers field working group field work instructor fieldwork manager field work performance report field work proposal field work report fieldworks field workshop commander's course field work variance field wormwood field x-ray lab fieldy

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