输送机滚筒表面焊有齿块，与链带啮合传动；

Conveyor pulley is furnished on its surface with welded teeth, which are in mesh with chain belt.

youdao

输送机滚筒表面焊有齿块，与链带啮合传动；

Conveyor pulley is furnished on its surface with welded teeth, which are in mesh with chain belt.

youdao