护栏的形式按结构可分为( )。A.波形梁护栏 B.混凝土护栏 C.刚性护栏 D.梁柱式钢性护栏、组合式护栏 E.缆索护栏

作者: rantiku 人气: - 评论: 0
问题 护栏的形式按结构可分为( )。
选项 A.波形梁护栏 B.混凝土护栏 C.刚性护栏 D.梁柱式钢性护栏、组合式护栏 E.缆索护栏
答案 ABDE
解析 按结构可分为缆索护栏、波形梁护栏、混凝土护栏、梁柱式刚性护栏、组合式护栏和活动护栏等。
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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
    <?php echo 'KongPHP, Road to Jane.'; ?>