英语词汇vacuum pressure valve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

1
According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves.
根据工作压力有低真空阀门、高真空阀门和超高真空阀门。
2
These valves are for pressure or vacuum service.
此类阀门适用于压力、真空装置。
3
For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive.
对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150 mbar以下就可以了；

单词	vacuum pressure valve
释义	vacuum pressure valve 简明释义真空压力阀双语例句 1 According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves. 根据工作压力有低真空阀门、高真空阀门和超高真空阀门。 2 These valves are for pressure or vacuum service. 此类阀门适用于压力、真空装置。 3 For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive. 对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150 mbar以下就可以了；
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