Machinery for coal mine的用法和樣例：
例句
- Finally,it indicated that the green colliery machinery will become the mainstream of colliery machniery.
最後提出綠色煤礦機械產品將會成為煤礦機械的主流產品。 - Zhejiang Quzhou General Coal Mine Machinery Factory Co.,Ltd is a private enterprise, which is transformed from Quzhou General Coal Mine Machinery Factory.
浙江衢州煤礦機械總廠有限公司是由原浙江衢州煤礦機械總廠改制而成的民營企業。
