短語(yǔ)詞組短語(yǔ)volume compression ratio 容積壓縮比volume fraction ratio 體分比volume rining ratio 水洗體積比值volume resistance ratio 體積電阻率Volume utilization ratio 容積利用率volume mixing ratio 體積混合比volume deficiency ratio 體積虧損率air volume and ratio 風(fēng)量及配比 返回 volume ratio