冲击钻成孔中遇到( )等情况时,应采取措施后方可继续施工。A.斜孔 B.缩孔 C.梅花孔 D.失稳 E.塌孔

作者: rantiku 人气: - 评论: 0
问题 冲击钻成孔中遇到( )等情况时,应采取措施后方可继续施工。
选项 A.斜孔 B.缩孔 C.梅花孔 D.失稳 E.塌孔
答案 ACE
解析 冲击钻成孔:冲孔中遇到斜孔、梅花孔、塌孔等情况时,应采取措施后方可继续施工。
发表评论
更多 网友评论0 条评论)
暂无评论
错误啦!

错误信息

  • 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.'; ?>