单词 | partial vacuum |
例句 | DEFINITIVE EXAMPLES 权威例句〔aspirator〕A suction pump used to create a partial vacuum.用于使局部真空的抽吸泵美国传统〔exhaust〕An apparatus for drawing out noxious air or waste material by means of a partial vacuum.排气装置:通过部分真空的方式排出有害气体或废物的装置美国传统〔vacuum-packed〕Sealed under low pressure or a partial vacuum.抽空密封的:在低压或部分真空状态下密封起来的美国传统〔vacuum〕Operating by means of suction or by maintaining a partial vacuum.抽真空的:用吸取的方式或用维持部分真空的方式来运作的美国传统 |
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