题目内容：
图7中，直线AB的实际长度为（ ）选择一项：
A. 2mm
B. 30mm
C. 15mm
D. 2mm
参考答案：
选择题：图7中，直线AB的实际长度为（ ）
- 题目分类：建筑制图基础
- 题目类型：选择题
- 查看权限：VIP
选择一项：
A. 2mm
B. 30mm
C. 15mm
D. 2mm
选择一项：
A. 2mm
B. 30mm
C. 15mm
D. 2mm
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