短語(yǔ)詞組短語(yǔ)mass flow ratio 質(zhì)量流量比;質(zhì)量量比mass mixing ratio 質(zhì)量混合比Mass Flux Ratio 量通量比;質(zhì)量通量比mass electron ratio 質(zhì)量電荷比mass conversion ratio 質(zhì)量轉(zhuǎn)換率high mass capture ratio 高流量系數(shù)Mass distribution ratio [車輛]質(zhì)量分配比mass concentration ratio 質(zhì)量濃度比ozone mass mixing ratio 臭氧混合比 返回 mass ratio