题目内容：
下列梁桥结构中，支座上的卸载弯矩为零的是（ ）。
A．悬臂梁 B．固端梁
C．连续梁
D．简支梁
参考答案：
答案解析：
单选题：下列梁桥结构中，支座上的卸载弯矩为零的是（ ）。
- 题目分类：公路工程
- 题目类型：单选题
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B．固端梁
C．连续梁
D．简支梁
B．固端梁
C．连续梁
D．简支梁
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