| 单词 | 路基 |
| 释义 | 〔substructure〕The earth bank or bed supporting railroad tracks.路基：支撑铁路铁轨这路床〔bed〕A foundation of crushed rock or a similar substance for a road or railroad; a roadbed.路基：碎石或类似物质做的道路或铁路的基础；路基〔subgrade〕The level layer of rock or earth upon which the foundation of a road or railway is laid.路基，地基：在其上铺设路的基础或铁路道碴的岩石或泥土的水平层〔tie〕One of the beams, usually made of wood, that are laid across a railroad bed to secure the rails.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〔washout〕Erosion of a relatively soft surface, such as a roadbed, by a sudden gush of water, as from a downpour or floods.冲刷：相对松软表面的冲刷，如路基被源于暴雨或洪水的水流冲刷〔roadbed〕The foundation upon which the ties, rails, and ballast of a railroad are laid.路基：其上可铺铁道的枕木、铁轨和道碴的地基〔clinometer〕Any of various surveying instruments for measuring angles of elevation, slope, or incline, as of an embankment. Also called inclinometer 测斜器，倾角计：一种测量海拔、斜坡或倾斜的角度的测量仪器，如测路基倾斜度用 也作 inclinometer〔ballast〕To fill (a railroad bed) with or as if with ballast.铺沙石：用或似用沙石铺（铁路路基）〔ballast〕Coarse gravel or crushed rock laid to form a bed for roads or railroads.道碴：用来铺公路或铁路路基的粗砂砾或碎石 |
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