短語詞組短語net operating income method 營業(yè)淨收益法operating g method 操捉法operating day method 經(jīng)營天數(shù)法operating cost method 作業(yè)成本法Operating leases method 經(jīng)營性租賃法short operating mode method 簡易工況法ratio of operating expense method 支出率法Understanding Its Operating Method 掌握其操作方法demonstrate operating method performance 表縯實際操作法 返回 operating method