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subgrade ['sʌbˌgreɪd]

n. 地基，路基; 软地基;

例句:

  • The term highway includes its highway subgrade pavement, bridges, culverts and tunnels.
    公路包括公路的路基、路面 、 桥梁 、 涵洞、隧道.
  • Improved soil is very important for subgrade of highspeed railway.
    改良路堤填料是高速铁路路基的重要内容.
  • The deformation of subgrade is composed of consolidation and creep.
    路基变形主要包括蠕变和固结两部分.