The roughness of road surface is direct reflection of the comfort of the travel vehicle, the road security and the road use life.
路面平整度直接影响车辆行驶的舒适度及路面的安全性和使用期限。
The roughness of road surface is direct reflection of the comfort of the travel vehicle, the road security and the road use life.
路面平整度直接影响车辆行驶的舒适度及路面的安全性和使用期限。
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