I used propane to check for vacuum leaks.
我用丙烷检查有没有真空泄漏。
The constant pressure flowmeters (CPFMs) were used to calibrate vacuum leaks and vacuum gauges in some national laboratories.
恒压式气体微流量计(CPFM)被多个国家级实验室选作为计量学设备，用来校准真空规和真空漏孔。
In this paper finally for leaks treatment technology treatment time and methods influence on dynamic vacuum are discussed.
文中最后讨论了漏隙的处理技术、处理时间和方法对动态真空的影响。
Vacuum breakers fail supposing that leaks permit air to enter the interrupting chamber.
假如空气通过裂痕进入灭弧室，真空断路器就失灵。
This paper introduces the concept and main operating steps of "vacuum chase leaks" and "cumulative chase leaks" for satellites abroad.
介绍了国外卫星“真空检漏法”和“累积检漏法”的检漏原理和主要操作步骤。
This paper introduces the concept and main operating steps of "vacuum chase leaks" and "cumulative chase leaks" for satellites abroad.
介绍了国外卫星“真空检漏法”和“累积检漏法”的检漏原理和主要操作步骤。
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