1.工程隧道多久探查一次? 2.施工时会不会有涉水的情况? 4.隧道周围的边坡是多久除一次草? 5.如遇大雪封山6、7天,能走山后小道吗? 6.有时候来不及把头伸出窗外,吐车里了怎么办? 7.车在高速行驶中,突然拔钥匙了,音乐会停止吗?


United States Trends
Loading...

Something went wrong.


Something went wrong.