coal mine machine

• 煤矿机械

coal mine machine的用法和样例：

例句

1. Zhejiang Quzhou General Coal Mine Machinery Factory Co.,Ltd is a private enterprise, which is transformed from Quzhou General Coal Mine Machinery Factory.
   浙江衢州煤矿机械总厂有限公司是由原浙江衢州煤矿机械总厂改制而成的民营企业。