英语词汇levelling of pumping unit是什么意思，levelling of pumping unit的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	levelling of pumping unit
释义	levelling of pumping unit　【机】泵装置的校平
随便看	thence thence thence thenceforth thenceforth thenceforth thenceforward thenceforward thenceforwards thenen thenfadil thenium closylate thenoic acid thenoyl thenoyltrifluoroaceton thenoyltrifluoroacetone thenyl thenyl alcohol thenyldiamine thenyldiamine hydrochloride thenylene thenylene hydrochloride thenylidene thenylpyramine theo

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