“滚筒”造句

传送带下沉重的钢滚筒
the heavy steel rollers under the conveyor belt

这个大齿轮带动小齿轮使滚筒旋转.
This large gear turns the small one to rotate the cylinder.

粉碎辊是波纹式滚筒, 还常是螺旋割纹式.
These rolls are corrugated cylinders, usually of the spiral type.