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waste weir
eng.geol. 废水堰
hydroel.st. 弃水堰; 退水堰
tech. 溢洪道; 泄洪堰; 溢流堰; 量水溢流堰; 超量水溢流堰; 废水溢汽堰; 污水堰
waste weir
: 8 phrases in 3 subjects
Construction1
Hydroelectric power stations2
Technology5