The traffic of highway service area is small, and vehicles into service frequently start-up and braking, and bring to bear comparative big level force on the road.

  • 高速公路服务区交通量小,而且车辆频繁启动和制动,对路面施加比较大的水平力。

  • 互联网摘选 2025-01-20 12:01:52

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