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bdv阀的作用
更新时间: 2021-03-27 02:50:11  

于高中压合缸的机组,当机组甩载荷时,为预防低压缸、低压导汽管内的余汽从高中压汽封间隙窜到中压缸、高压缸,对于机组发生有利反应。若该署汽封齿磨损,汽封间隙变大后,形成机组中速的能够性增大,为此安装了事变排放阀(BDV)。

关键词: bdv 作用

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