英语词汇“dowty prop”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	dowty prop
释义	Dowty prop Dowty prop [′dau̇·dē ‚präp] (mining engineering) A self-contained hydraulic supporting post consisting of two telescoping tubes; the upper (inner) tube contains the oil, pump, yield valve, and other accessories.
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Dowty prop