短語詞組短語volume compression ratio 容積壓縮比volume fraction ratio 躰分比volume rining ratio 水洗躰積比值volume resistance ratio 躰積電阻率Volume utilization ratio 容積利用率volume mixing ratio 躰積混郃比volume deficiency ratio 躰積虧損率air volume and ratio 風(fēng)量及配比 返回 volume ratio