文中根据路线允许最低车速和载重车的加减速行程曲线，用图解法确定爬坡车道的长度。
According to the lowest driving speed allowed by the routes and the stroke curve of add-substract speed of the trucks, we have determined the length of climbing roadway with the graphic method.
安装行程减速阀就是缓冲措施之一。
The installation of distance deceleration valve is one of the impact mitigation measures.
它主要由单相异步电动机、制动装置、行程控制装置及减速装置等组成。
It consists of single phase and asynchronous motor, stop, distant controller and decelerator.
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