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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The paper introduces the structure of atomospheric diffuser, which is mainly composed of screen frame and hydraulic cylinder.

介绍常压扩散洗涤器的结构，主要由筛框和液压缸构成。

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Main business: wood, classical furniture, antique doors, Windows, pendant, flower panel, wall, screen, frame, floor screens, European-style decoration and other handicraft items.

主要经营：木雕、古典家具、仿古门窗、挂件、花板、壁挂、屏风、镜框、落地屏风、欧式装饰等木雕工艺品。

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The toy, with its gray screen, red frame and two white knobs that are twisted back and forth to create drawings, was launched in 1960 and became the top seller that holiday season.

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Shellen, who was the first product manager for Google Reader at Google, plans to soon release a feature called Group Shot that takes a freeze-frame screen shot photo of all the people chatting side by side.

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The screen pivots within the frame of the lid to either face toward the keyboard, or away from it.

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