问题
单项选择题
断面围堰导流常用形式之一是隧洞导流，主要适用于（）的坝址。
A.河谷较宽、地质条件允许
B.河流流量大、河床一侧有较宽台地
C.河谷狭窄、地质条件不允许
D.河谷狭窄、地质条件允许
答案
参考答案：D
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断面围堰导流常用形式之一是隧洞导流，主要适用于（）的坝址。
A.河谷较宽、地质条件允许
B.河流流量大、河床一侧有较宽台地
C.河谷狭窄、地质条件不允许
D.河谷狭窄、地质条件允许
参考答案：D
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