题目内容：
各种输送管道，按（ ）的不同可分为压力管道和重力流管道。
A．承压情况 B．敷设形式
C．性能与用途
D．覆土深度
参考答案：
答案解析：
单选题：各种输送管道，按（ ）的不同可分为压力管道和重力流管道。
- 题目分类：技术与计量(土建)
- 题目类型：单选题
- 查看权限：VIP
B．敷设形式
C．性能与用途
D．覆土深度
B．敷设形式
C．性能与用途
D．覆土深度
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