A.1:50~1:200 B.1:200~1:500 C.2000或1:5000 D.1:20000
A.1:1000~1:5000 B.1:200~1:500 C.1:2000或1:5000 D.1:20000
A.地質構造復雜程度 B.斷層 C.火成巖 D.煤層頂板