机床的类代号中,汉语拼音大写字母“Y”代表( )。A.仪表车床 B.摇臂钻床 C.研磨机 D.齿轮加工机床

作者: rantiku 人气: - 评论: 0
问题 机床的类代号中,汉语拼音大写字母“Y”代表( )。 A.仪表车床 B.摇臂钻床 C.研磨机 D.齿轮加工机床
选项
答案 D
解析 选项A,仪表车床用“C”代表;选项B,摇臂钻床用“Z”代表;选项C, 研磨机用“2M”代表。
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.'; ?>