helix shearer drum

• 螺旋滚筒

helix shearer drum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。
2. The paper introduces tbe bi-efficient strong spiral rotary drum and itscutting tools's structural features, and trial conditions.
   介绍了高效强力螺旋滚筒及其截割刀具的结构特点，以及工业性试验情况。