A.规划道路的路幅边界线 B.道路上用来标记的红色线条 C.图纸上用红笔画的表示道路的线条 D.紧急事件发生时拉起作为警戒的红色布条
A.6~8km;20min B.7~9km;30min C.8~12km;40min D.9~15km;50min
A.3000-5000 B.5000-15000 C.15000-30000 D.30000-60000