vacuum leak indicator是什么意思

用法例句

According to the requirement of small satellite vacuum leak detection, a set of vacuum leak detection equipment is developed.

文章介绍了用于小卫星真空检漏而研制的一套真空检漏设备。

The vacuum leak can be calibrated with the absolute comparison method and the relative comparison method.

比对法漏率校准装置是计量气体漏率的一种装置 ,可绝对法和相对法对真空漏孔进行校准。