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to phrases
leaf-valve
gen. 叶片,簧片; 瓣状活门
auto. 片阀
hydroel.st. 舌阀
met. 簧片阀
leaf valve
compr. 条状阀; 叶片阀; 簧片阀
el. 止回阀; 瓣阀
industr. 舌〔叶片,簧片〕阀
tech. 瓣状活门; 舌阀
leaf-valve: 3 phrases in 2 subjects
Rail transport2
Technology1