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 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。
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。
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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