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double tube
el. 双束管
eng.geol. 双层管
plast. 套管
double-tube
gen. 套管; 双管
double tube: 114 phrases in 19 subjects
Agriculture2
Air defense3
Architecture1
Automobiles5
Compressors1
Drilling4
Earth sciences1
Electronics5
Engineering geology13
General1
Metallurgy3
Nautical1
Nursing1
Oil / petroleum11
Rail transport1
Refrigeration4
Shipbuilding1
Surgery2
Technology54