重力式辊筒输送机由于其自身的特性，必须在辊道中设置制动辊。

Due to its speciality, the gravitational roller conveyor must be equipped with brake rollers in its table roller.

youdao

重力式辊筒输送机由于其自身的特性，必须在辊道中设置制动辊。

Due to its speciality, the gravitational roller conveyor must be equipped with brake rollers in its table roller.

youdao