manhole covers of metal 中文意思是什麼
manhole covers of metal
解釋
金屬檢修孔蓋-
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
在潮濕的路面上,金屬路釘沙井蓋及道路標記等裝嵌在路面的物體,會變得濕滑,可能會使某類前輪胎滑離行車。
分享友人