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=683","2025-10-09 16:21:55")
铣削头归于动力部件。动力部件是为组合机床供给主运动和进给运动的部件。主要有铣削动力头、动力箱、切削头、镗刀头和动力滑台支承部件是用以装置动力滑台、带有进给机构的切削头或夹具等的部件,有侧底座、中心底座、支架、可调支架、立柱和立柱底座等。