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refining process
chem. 净化法; 精馏法
mech. 精加工法
met. 精炼法
tech. 炼制过程; 精制加工; 精制过程; 提炼过程
refining process
: 46 phrases in 7 subjects
Business1
Chemistry4
Metallurgy32
Oil / petroleum2
Oil processing plants1
Refrigeration1
Technology5