purifyv.(使）净化；（使）精炼；涤罪purifying within mentality入乎其内Purifying for Aluminum alloy铝合金净化purifying water microorganism净水微生物purify the Party organization纯洁党的组织purifying of molten al alloys铝合金熔体净化purifying efficiency of slime煤泥净化率purify the nation of traitors清除卖国贼purify a language of barbarisms净化语言中粗俗语句purifying degree of molten iron铁水洁净度purifying tetrachloride titanium精制四氯化钛