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=476","2025-10-09 16:20:09")
insert into iplist (ip,system,browser,url,startime) value("10.2.166.62","Unknown","unknown","http://bzgroup.com.cn/?a=view&p=517&r=476","2025-10-09 16:20:09")
本系列钻削头与相同规格的液压滑台或机械滑台配套组成组合机床,用于铸铁、钢及有色金属的钻孔、扩孔、铰孔、倒角及锪窝等工艺。
钻削头配有三种传动装置:齿轮传动装置,。用于钻、扩孔或铰孔。尾置式传动装置和皮带传动装置,适用于各种材质的钻、扩孔和铰孔。
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