... （循环）回流 circulatingreflux 循环水回流阀 circulating water return valve 内回流循环流化床 RCFB ...
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The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
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