数据库错误: [Field 'lasttime' doesn't have a default value]
insert into iplist (ip,system,browser,url,startime) value("10.2.166.62","Unknown","unknown","http://bzgroup.com.cn/?a=view&p=445&r=678","2025-10-09 18:28:23")
数控技术是当前机械加工工作运用的先进的加工设备,它包含数控车床、数控铣床、数控铣镗床、数控加工中心、数控线切开等多种类别。所谓数控技术,便是用数字化程序信号,经过计算机控制机床加工进程。