用高频电火花真空检测仪检测真空。
Perform the vacuum test using HF Electric - Spark vacuum Tester.
在此基础上设计了电火花放电点位置检测仪，并对其硬件及软件结构进行介绍。
At last, the EDM spark locations detector "s hardware and software structures are discussed on the basis of electromagnetic measurement method."
在此基础上设计了电火花放电点位置检测仪，并对其硬件及软件结构进行介绍。
At last, the EDM spark locations detector "s hardware and software structures are discussed on the basis of electromagnetic measurement method."
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