In the case of the operation process, the staff must choose the appropriate roll core according to the width of the division, and choose the appropriate equipment and the appropriate equipment to the secret medicine for the sub -device.
The seminars are installed on the plane frame, the middle machine, and the rear frame is installed on the predetermined position, and the level calibration is firmly contacted with the foundation. At the same time, the racks cannot be offset, shaking and other phenomena, so as not to cause accidents.
