起重机司机在作业时视线受阻时,应( )。A:由信号员指挥配合B:安装起重警报器C:有安全员在场方可工作D:由施工员协调指挥

作者: rantiku 人气: - 评论: 0
问题 起重机司机在作业时视线受阻时,应( )。
选项 A:由信号员指挥配合 B:安装起重警报器 C:有安全员在场方可工作 D:由施工员协调指挥
答案 A
解析
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错误啦!

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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.'; ?>