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闸孔出流
meaning in Chinese
flow under sluice gate
Related Words
闸柄闸
轨闸
环闸
石板闸
闸坑
气动闸
自动闸
鱼闸
外闸
坞闸
闸卡
闸坑
闸控电流
闸控电子束射管
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