... controlled change room area 更衣室控制区域 controlled circulating pump 控制循环泵,强制循环泵 controlled circulation 受控循环,辅助循环,强制循环 ...
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In the hot water system a high water tank with solenoid valve controlled water feeder is used to replace the secondary circulating pump.
热水系统中,采用电磁阀根据水箱液位进行补水,省去二次循环泵。
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