采用以上技术方案后，该物品传送接轨装置结构简单、可以保持导轨始终畅通，并且还不影响其前方的可伸缩导轨的移动。
By adopting the technical scheme, the device has a simple structure, can keep the guide rails to be always unblocked, and further has no influence on movement of a front telescopic guide rail.
彩电投影放大器由机架、导轨、透镜、光圈、可伸缩暗箱、暗箱接口等组成。
The utility model relates to a color TV projection amplifier which is composed of a machine frame, guide rails, lenses, apertures, a telescopic camera obscura, a camera obscura interface, etc.
应用推荐