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return valve
compr. 回油阀
el. 逆止阀
eng.geol. 回浆阀
hydroel.st. 回水阀; 回流阀
mech.eng. 回流〔回水〕阀
tech. 止回阀; 回路阀
return valve: 62 phrases in 15 subjects
Automobiles5
Aviation1
Chemistry3
Compressors1
Electronics3
Hydroelectric power stations4
Mechanic engineering3
Mechanics1
Metallurgy3
Plastics3
Rail transport1
Refrigeration1
Shipbuilding2
Technology30
Wind Energy1