短語詞組短語Mass Mixing Fraction 質(zhì)量混合分?jǐn)?shù)mass change fraction 質(zhì)量變化率mass dryness fraction 干度cold mass flow fraction 冷流分量the mass fraction of 質(zhì)量分?jǐn)?shù)mass fraction of ethanal 乙醛含量 返回 mass fraction