數據庫錯誤: [Field 'lasttime' doesn't have a default value]
insert into iplist (ip,system,browser,url,startime) value("23.234.48.98","Windows 10","ie","http://www.baidu.com","2026-02-07 22:27:13")

數控機床維修與保養:操作者在每班加工完畢后,應徹底掃除散落于拖板、導軌等處的切屑;在辦公時注意查緝排屑器絲杠與導軌的生存的年限;在作業完畢前,應否正常以免導致切屑堆積將各伺服軸歸回原點后停機。