| 释义 |
路基 lù jī
基本例句
roadbedbedroad bedsubgradeformation
路基碎石或类似物质做的道路或铁路的基础；路基A foundation of crushed rock or a similar substance for a road or railroad; aroadbed.
道碴用来铺公路或铁路路基的粗砂砾或碎石Coarse gravel or crushed rock laid to form a bed for roads or railroads.
枕木横放在铁路基上以固定铁轨的梁中的一根，通常为木制One of the beams, usually made of wood, that are laid across a railroad bed to secure the rails. |