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carbon ratio
met. 游离碳含量百分率; 碳比; 碳比; 游离碳含量分数 (纯净煤中)
oil 定碳比
tech. 含碳
carbon ratio
: 60 phrases in 15 subjects
Agriculture5
Chemistry3
Desert science2
Earth sciences2
Electronics2
Engineering geology1
Explosives and Explosive Ordnance Disposal1
Food industry1
Geology2
Geophysics8
Metallurgy6
Oil / petroleum9
Oil processing plants2
Technology14
Water resources2