雜質(zhì)擴(kuò)散 impurities diffusion: 雜質(zhì)擴(kuò)散impurities: 懸浮固體物; 一級(jí)葉輪; 雜質(zhì)abrasive impurities: 有磨蝕作用的雜質(zhì)absorption by impurities: 雜質(zhì)吸收accumulation of impurities: 雜質(zhì)積聚下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯