阿尔卡特真空技术的产品包括真空泵，检漏仪，真空计，等离子传感器，阀门，法兰及其配件。
The Alcatel vacuum Technology product-range includes vacuum pumps, leak detectors, vacuum gauges, plasma sensors, valves, flanges and fitting.
论述了真空接触器真空度运行检漏的必要性，并从理论上探讨漏气检测的机理。
This article discusses the necessity of air leakage detection to check the vacuum of the vacuum contactor in operation, and the mechanism of air leakage detection theoretically.
该评价方法可以为航天器的总漏率测试法和真空检漏法的不确定度评定提供一定的参考依据。
The presented evaluation method may provide a reference for evaluating the uncertainty about the total leak rate method of spacecraft and vacuum leak testing method.
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