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1·The 20 meter long primary structure of Nautilus is constructed over and around the stone embankment wall, but does not touch it.

鹦鹉螺架构的20米长的主体结构是构建在周围石堤墙的基础上的，但又没有完全碰触。

2·Retaining wall is a kind of common embankment retaining structures.

挡土墙是一种常见的路基支挡构造物。

3·Filling construction technology of embankment behind retaining wall of expressway is introduced, which may provide reference to similar projects.

介绍了高速公路挡土墙墙后路堤填筑的施工工艺，为类似工程提供参考。