Screen Height the player will be generated with.
播放器将生成的屏幕高度。
Get the screen width and height.
获取屏幕的宽度和高度。
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。
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。
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