超提纯的英文

• ultrapurification

• 超:    exceed; surpass; overtake
• 提纯:    purification; purify; refine ...
• 提纯:    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
• 超提折旧:    over depreciation; overdepreciation
• 电提纯:    electro refining; electrorefining