公路路面等级与面层类型代码的英文

code for classification and type of highway pavement

• 公路:    highway
• 路面:    road surface; pave ...
• 等级:    grade; rank
• 与:    take part in; part ...
• 面:    face
• 层:    I storey; tier; st ...
• 类型:    type; mold; form; ...
• 代码:    code

例句与用法

1. Code for classification and type of highway pavement
   公路路面等级与面层类型代码