拱式体系的供分为()。A、单铰拱、双铰拱、三铰拱和四铰拱 B、单铰拱、双铰拱、三铰拱和多铰拱 C、单铰拱、双铰拱、三铰拱和无铰拱 D、零铰拱、...

作者: rantiku 人气: - 评论: 0
问题 拱式体系的供分为()。
选项 A、单铰拱、双铰拱、三铰拱和四铰拱 B、单铰拱、双铰拱、三铰拱和多铰拱 C、单铰拱、双铰拱、三铰拱和无铰拱 D、零铰拱、单铰拱和双铰拱
答案 C
解析 新版教材P107 拱分单铰拱、双铰拱、三铰拱和无铰拱。
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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
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