The asphalt pavement structure, road surface types and thickness of the rural roads are suggested for the various action frequency of the equivalent axle load.
沥青路面结构，路面种类和厚度的农村道路，提出了各项行动的次数，相当于轴重。
No concrete road surface is thinner than 10 cm since any smaller thickness might break up.
混凝土路面不能薄于10厘米，因为再薄就可能断裂。
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