metalled road meaning in Chinese

碎石铺面的道路，不是金属路面

This rough track will soon be a metalled road
这条坑坑洼洼的路不久就要铺上碎石了
When wet , objects set in the roadway such as metal road studs or manhole covers , as well as road markings can become slippery and cause some types of front tyre to deviate uncomfortably off course
在潮湿的路面上，金属路钉沙井盖及道路标记等装嵌在路面的物体，会变得湿滑，可能会使某类前轮胎滑离行车。