coal mining production

• 煤矿生产

coal mining production的用法和样例：

例句

1. The largest risk in coal mining is the collapse of the mine.
   煤矿生产过程中可能出现的最大危险就是巷道崩坍。
2. It is very important for coal mining production to real-time information publishment.
   煤矿生产过程中安全监测监控实时信息的发布对于煤矿安全是一个非常重要的问题。