英语词汇Roots high vacuum pump怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Roots high vacuum pump
释义	Roots high vacuum pump 简明释义罗茨高真空泵网络释义 1 ?罗茨高真空泵 ... Roots blower pump ==> 罗茨增压泵 Roots high vacuum pump ==> 罗茨高真空泵 roots of large plant ==> 高大植物的根系 ... 双语例句 1 As the Roots pump is a non-vacuum inside the compression, the compression ratio is usually very low, so high, medium and vacuum pumps need to pump before. 由于罗茨泵是一种无内压缩的真空泵，通常压缩比很低，故高、中真空泵需要前级泵。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。