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=517&r=474","2025-10-09 16:22:13")
insert into iplist (ip,system,browser,url,startime) value("10.2.166.62","Unknown","unknown","http://bzgroup.com.cn/?a=view&p=517&r=474","2025-10-09 16:22:13")
本系列镗削头与相同规格的液压滑台或机械滑台相配套组成镗削组合机床,用以完成对铸铁,钢及有色金属工件的单轴刚性粗、精镗孔加工。最高镗孔精度IT7,被加工表面的最佳表面精糙度可达1.6。特殊订货可实现手动变速。
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