coal machine

• 采煤机

coal machine的用法和样例：

例句

1. The purpose of inviting you to come here is to discuss the purchase of some long wall coal cutters.
   这次请您来想谈谈长臂采煤机的进口问题。
2. The reserves of thin coal seam shearer and the developing trend of coal seam shearer of our country are analysed.
   分析我国薄煤层储量以及薄煤层采煤机的发展状况及趋势。