4、褐煤矿区：重点煤矿5处，如霍林河、小 龙潭等 （三）矿区规模 （mining area capacity） 矿区规模：矿区均衡生产时期的生产能力。
双语例句
1
By way of the engineering practice in Zhahe miningarea, the method raising the well capacity in the karst containing water system under the suitable hydrogeology condition was introduced.