Pneumatic operation device to screen frame makes speed and height of screen lifting adjustable.
气压式离版装置，使抬版的速度、高度可调节。
The lifting frame has good speed regulation performance. Ascending and descending is stable without impact.
起升机构调速性能好，起升、下降平稳、无冲击。
The lifting frame has good speed regulation performance. Ascending and descending is stable without impact.
起升机构调速性能好，起升、下降平稳、无冲击。
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