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diameter ratio
auto. 内外径比径
avia. 内外径比; 直径螺距比; 轮径比
compr. 直径比
diameter ratio: 64 phrases in 23 subjects
Agriculture2
Architecture1
Automobiles4
Aviation4
Compressors3
Earth sciences1
Electric machinery3
Electronics1
Engineering geology1
Explosives and Explosive Ordnance Disposal1
General1
Hydroelectric power stations2
Metallurgy1
Nautical1
Oil / petroleum6
Oil processing plants1
Plastics5
Polymers1
Shipbuilding2
Space8
Superconductivity1
Technology13
Wind Energy1