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After turning off the gas or electricity open the drain valve at the tank bottom.
在关闭燃气或电源后可开启罐底的排水阀。
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A drain valve is located on the bottom of the tank.
一个排放活门被安装在水箱底部。
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A drain valve is located on the bottom of the tank.
一个排放活门被安装在水箱底部。
youdao