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=661","2025-10-09 22:10:35")
机械滑台采用双轨封锁构造,精度高;精细级采用塑料导轨板,传动采用高精细滚珠丝杆,动态性能好。滑台钢性好,热变形系数小,进给稳定性高,从而保证了加工状态下(负荷下)的实践精度的稳定。