1) falling gradient
下坡道降坡
2) descend
[英][dɪ'send] [美][dɪ'sɛnd]
降下下坡
3) falling gradient
下降坡度
4) slope of river
河道坡降
5) down ramp
下行坡道
6) 6‰ descending grade
6‰下坡道
1.
Research purposes: The Chinese Railway Specifications says the successive route of receiving has to be set when there is a 6‰ descending grade in the range of braking distance out of the home signal to prevent side collision accident in case that train overruns the start signal.
研究目的:铁路技术规范规定遇到进站信号机外制动距离内进站方向超过6‰下坡道时应设接车进路的延续进路,以防列车冒进出站信号机后发生侧面冲撞事故。
补充资料：下坡
1.指山坡的下面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条