wash-out valve 清洗阀门 ; 荡涤阀门 ; 洗濯阀门 ; [建] 泄水阀
pump out valve 抽空阀
cut-out valve 断流阀
clean-out valve 清洗排放闸
flush-out valve 冲出阀
oil cut-out valve 给油总阀
condenser out valve 冷凝器出口阀
oil cut-out valve spindle 给油停闭阀杆
The only thing new to your existing system is the hose coming down from the batch heater, the batch connect valve, and the “T” connector at the Hot Out valve to tie it all together.
整个热水系统中只有从批量加热热水器引水的软管、连接阀、以及接在止热阀（the Hot Out valve）上用作贯通的三通是新添加的。
The pump sucks air out through the valve.
气泵通过阀门把空气抽出去。
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