A slide block is mounted onto the guide track which can move along the guide track.
滑块安装在导轨上，并能沿着导轨滑动。
The present invention relates to a motor chain saw (1), including a guide track (5) and a saw chain (6) being driven in circulation about the guide track (5).
本发明涉及一种机动锯(1)，它具有一个导向轨(5)和一个围绕该导向轨(5)循环驱动的锯链(6)。
The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc.
本发明是一种高层建筑遇险时紧急逃生装置，也是一种理想的消防设施。该装置主要由链梯、导轨基架、链轮、变速机构、液压调速式控制器等组成。
The emergency escape device for high rise building consists of jack ladder, guide track, chain wheel, speed varying mechanism, hydraulic speed regulating controller, etc.
本发明是一种高层建筑遇险时紧急逃生装置，也是一种理想的消防设施。该装置主要由链梯、导轨基架、链轮、变速机构、液压调速式控制器等组成。
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