Vacuum system tightness test 真空严密性试验
tightness of vacuum system 真空系统严密性
thermal system vacuum tightness 真空严密性试验
The tests of vacuum system tightness against power unit 5 unit 7 in a power plant have been described and energy reduction of the vacuum system of the turbine has been analyzed in this paper.
通过对某电厂5号机组及7号机组真空系统的严密性试验，分析汽轮机真空系统节能降耗潜力。
Vacuum system is important to the turbines economy operation, and vacuum tightness is the main factor that affects vacuum of steam turbine.
汽轮机真空是汽轮机经济运行的关键，真空严密性是影响汽轮机真空的主要因素。
The phenomena of condenser vacuum slowly running down occurred many times in Yinchuan Congeneration Power Plant. The system tightness is up to standard.
介绍了银川热电厂二期工程投运一年以后，多次出现凝汽器真空缓慢下降的现象。
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