vacuum: n.(pl. vacuums, vac-ua )1.真空；空处，空虚，空白。2.〔美口〕吸尘器(＝ vacuum cleaner)。短语和例子a low [partial] vacuum低度[未尽]真空。 feel a vacuum in the lower regions 〔戏谑语〕觉得饿。vi.,vt.〔美口〕1.用吸尘器扫除。2.用真空干燥机干燥。adj.1.真空的。
A cl - vcv air cleaner vacuum control valve 空气滤清器真空控制阀
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Dvcv differential vacuum control valve 差压真空控制阀
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Vcv vacuum control valve 真空控制阀
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For example , the general system loop for a steam autoclave under computer control could consist of temperature / pressure sensors connected to a microprocessor which transmits commands to steam / vacuum control valves 例如，计算机控制的蒸汽高压灭菌器的常规系统回路包括，连接到微处理器的温度/压力传感器，来把命令传递给蒸汽/真空控制阀。
