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to phrases
oil drain
auto.
dril. 排油; 泄油孔
el.mach. 放油口
mech.eng. 放油嘴
oil 流油孔; 泄油
refrig. 放油孔
tech. 放油; 油类流出口; 放油管
oil drain: 76 phrases in 19 subjects
Automobiles17
Aviation1
Compressors5
Construction1
Drilling3
Ecology1
Electric machinery3
Electronics6
General1
Hydroelectric power stations1
Metallurgy1
Mining1
Nautical2
Oil / petroleum6
Oil processing plants2
Racing and motorsport1
Refrigeration1
Shipbuilding1
Technology22