英语词汇“positive-displacement”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	positive-displacement
释义	positive-displacement positive-displacement Descriptive of equipment in which wet-mix shotcrete is delivered by being pushed through the material hose in a solid mass by a piston or auger.
随便看	bnsp bnsq bnsr bnss bnssa bnssg bnst bnstc bnsw b-nt bnt b-nt1 b-nt2 bnta bntaf bntcl bntec bn tf bntf bntg bnth bnti bntl bntm bntn

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