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舌瓣闸门 shé bàn zhámén
hydroel.st. flap gate; gate with flap
tech. bascule gate; oscillating flashboard
舌瓣〔翻板,铰链式,倾倒式〕闸门
construct. flap gate
舌瓣倾侧式闸门
tech. flap gate
舌 瓣闸门: 5 phrases in 2 subjects
Hydroelectric power stations4
Technology1