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bear-trap gate
construct. 熊阱式〔屋顶式,双瓣卧式〕闸门
el. "熊阱"式闸门; 双瓣卧式闸门
hydroel.st. 屋顶式闸门
tech. 熊阱式闸门; 斜撑闸板门; 卧式斜撑闸门; 开合式闸门 (又称熊阱闸门); 熊阱闸门; 浮体闸门
water.res. 折腰闸门