短語詞組短語rigs per unity month 鑽機臺月construction cycle per rig month 建井周期臺月construction cycle per unity month 建井周期臺月interest per month 月息barrels per month [油氣]每月筒數(shù)drill footage per month [鑛業(yè)]月進尺Quantity Per Month 每月産量flat rate per month 包月Once per month 每月一次;一個月一次 返回 per month