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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。
youdao
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Speed Becomes Quality, Quality makes Speed.
速度成为品质，品质促成速度。
youdao
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Speed Becomes Quality, Quality makes Speed.
速度成为品质，品质促成速度。
youdao