helix shearer drum的用法和样例：
例句
- 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。 - 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。
