有功品質(zhì)因數(shù) active mass: 活動(dòng)質(zhì)量; 活性物質(zhì); 有效質(zhì)量active factor: 活動(dòng)因數(shù)mass factor: 槳葉質(zhì)量特性; 質(zhì)量系數(shù)active gravitational mass: 主動(dòng)引力質(zhì)量active protoplasmic mass: 活性原生質(zhì)組織下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯