Mcadam found that soil itself could bear the weight of the road when it was compacted as long as it was dry.

但是麦克亚当发现只要土壤干燥，压结实后自身就能承受公路的重量。

youdao

Mcadam found that soil itself could bear the weight of the road when it was compacted as long as it was dry.

但是麦克亚当发现只要土壤干燥，压结实后自身就能承受公路的重量。

youdao