surface coal mine

• 露天煤矿

surface coal mine的用法和样例：

例句

1. The evaluation of unreclaimed land productive potential in surface coal mine are keys for promulgating land reclamation planning in the mine.
   露天煤矿待复垦土地生产潜力评价是编制土地复垦规划的一个重要内容。
2. The stability of composite slope, within first mining area in the 3rd Baiyinhua opencast coal mine, was analyzed.
   摘要对白音华三号露天煤矿复合边坡稳定性进行评价。