【单选题】[2/5]横断面图常用比例为?A.1:500∼1:10001:500 \sim 1:10001:500∼1:1000B.1:100∼1:2001:100 \sim 1:2001:100∼1:200C.1:2000∼1:50001:2000 \sim 1:50001:2000∼1:5000D.1:100001:100001:10000查看答案与解析→