purification; purify; refine; refinement◇提纯复壮 purification and rejuvenation; 提纯剂 purificant; 提纯器 purifier; 提纯塔 purifying column [tower]; 提纯油 good oil超提纯: ultrapurification电提纯: electro refining; electrorefining氢提纯: hydrogen purification提纯,精制: purify提纯;纯化: purify v. make pure下载手机词典可随时随地查词查翻译