有在设计和建设过程中的景物建筑承建商和一起工作，有关斜坡的问题，渠务，地盘和土壤条件下进行沟通。
Have your building contractor and landscaper work together during the design and building process, communicating about slope issues, drainage, site and soil conditions.
一种理论是在建设过程中使用一条不断升高的笔直的或螺旋形斜坡。
One theory involves the construction of a straight or spiral ramp that was raised as the construction proceeded.
即使填充材料的压实机械整地过程中不流失，以及本地的斜坡。
Even though fill material is mechanically compacted during site preparation it doesn't drain as well as native slopes.
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