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南华大学机械工程学院毕业论文国外的地下矿山自卸汽车应用得比较好，技术也比较先进，但价格比较高。一般情况是：国外的地下矿山自卸汽车整机的价格是国内价格的2一3倍，而易损件、备件的价格却...

本科论文3.9电机的选择.…154动力计算.…174.1往复惯性力的计算174.2摩擦力的计算174.3总活塞力的计算184.4切向力的计算185主要零部件设计195.1活塞195.2曲轴.195.3连杆215.3.1连杆长度尺寸的确...

ABSTRACTAccording to the specific requirements of the design task book,in thispaper,the diesel engine body end drilling combined machine tool and itsspecial fixture are designed fo...

饭店管理系统的设计与实现目录L.绪论1.1.研究背景1,2.系统设计目标…21.3.内容概述.42.相关技术…2.1.Java技术介绍52.2.MySQL数据库.52.3.B/S架构53.系统分析.73.1.技术分析….73.2.性能需求分...

1绪论1.1研究背景及意义随着网络的发展，越来越多的资源出现在人们面前，这时候人们就需要一种查询这些资源的方法，一种可以方便快捷获取自己想要的东西的方法。这时候搜索引擎这种搜索工具就出...

AbstractVarious shopping websites are appearing,even though differentwebsites have their own selling points and marketing methods,their pagefunctions Points,interfaces,and types ar...

ABSTRACTAfter years of development,online video has become one of the mainapplications on the Internet.At present,online videos have the characteristics of largequantity,quick rele...

AbstractMost of the traditional body temperature measuring instruments are designed based on thephysical principle,most of them are designed according to the property principle of ...

六辄化流断路器：断口电压高、开断能力相对较强与允许连续开瑞次数偏多，同时其噪音也相对较低，不存在火花危险，另外其尺寸通常较小，重量也相对较轻，维修相对较为容易。该断路器凭借上述优势...