ranging shearer

• 滚筒采煤机

ranging shearer的用法和样例：

例句

1. Based on the features of the operating mechanism of the shearer, the optimization methods of the parameters of the screw drum are introduced.
   根据螺旋滚筒采煤机工作机构的特点，介绍了螺旋滚筒参数的优选方法。