waste valves
常见例句
- Open hand valves for waste and flush water.
打开地板上进水阀门及墙上的排水阀门。
tw2world.com - Close both hand valves. Waste and flush water.
关上进水阀门及排水阀门。
tw2world.com - Through the other valves, the waste water after the clothes washing is used as sanitary water for washing mops, rags, etc.
通过其它阀门可将洗衣后的废水用于洗拖把、抹布等卫生用水。
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