化市场，电力市场以及煤化市场，随着中国经济的高速发展，国内工业和民用的用电量大幅上升，加之政府号召节能减排降耗，以往的常规机组，如125MW、135MW和300MW己无法满足现状要求，600MW超临界...

本科论文4.1.2齿轮三维模型274.1.3主轴三维模型.294.1.4叶轮三维模型294.2数字化装配及仿真305实物模型制作315.1实物模型制作方案315.2存在的问题和解决办法.315.3最终实物模型32结论33参考文献...

学院本科毕业论文摘要：有杆抽油方法是应用最早也最为广泛的一种人工举升采油法。抽油机是有杆抽油系统的地面驱动设备。现场使用表明，抽油机具有坚固耐用、工作可靠、运转平稳、维护方便等优点...

本科论文5.2本章小结30结论…31参考文献…32致谢34

佳木斯大学本科毕业论文（设计）AbstractConnecting Rod is an important power mechanism of engine,which takes on the importanttask of converting heat energy into mechanical energy,and...

AbstractThis paper aims to use CATIA software to model and design a special aircraft truss structurebased on the research results at home and abroad and the common principle of com...

本科论文摘要螺旋起重装置也可称为螺旋电梯，最简单的产品就是我们最常用的千斤顶，这种起重装置有很多优点，它可以节省人力，利用机械本身的力量对物品进行提升，它传动结构比较紧凑、动力可以...

哈尔滨工业大学工学硕士学位论文AbstractValve train is an important part in the internal combustion engine,whether itsstructure is appropriate or not will directly affect the engine'...

Debris detection in complex environmentSummaryThrough the research on the theory of sensing,the concept of sensing programdesign,and the related fields of achievements,this paper e...

SummaryWith the development of time and the advancement of science andtechnology,under the blessing of contemporary technology,automation andintelligent development,more and more c...