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to phrases
drum weir
construct. 鼓门堰
hydroel.st. 圆筒堰; 鼓形闸门
tech. 弧形闸门; 弧形门堰; 转筒堰; 鼓形闸门堰; 鼓形堰
water.res. 鼓轮坝; 鼓轮堰
drum weir: 2 phrases in 1 subject
Technology2