subgrade

基本解释

Without a strong and stable subgrade there is no stable pavement.
沒有堅固、穩定的路基就沒有穩固的路麪。
Meanwhile, some measures of improving evenness of subgrade and pavement structures are presented basing on design and construction.
同時提出了從設計和施工兩方麪提高路基和路麪結搆層均勻性的一些措施。
The strength and stability of subgrade not only should be ensured through the good design, and can be realized through the construction.
路基的強度和穩定性，不僅要通過好的設計予以保証，而且要通過施工得以實現。