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精炼的
gen. affining
hydroel.st. wrought
tech. refined
精炼〔制〕的
gen. wrought
精炼〔选〕的
gen. rarefied
精炼
auto. wrought
精炼的: 35 phrases in 5 subjects
General9
Metallurgy19
Oil / petroleum1
Oil processing plants1
Technology5