CA6140机床后托架加工工艺及夹具设计(论文+DWG图纸)/CA6140机床后托架零件图.dwgCA6140机床后托架加工工艺及夹具设计(论文+DWG图纸)/CA6140的后托架夹具的装配图.dwgCA6140机床后托架加工工艺及...

AbstractJuvenile myopia has become an increasingly serious social problem in China.As amodern common disease,myopia can hardly be cured.At present,laser resection is actuallyharmfu...

南京科技职业学院毕业设计（论文）noise test of the developed one-way valve were conducted,and the design of theone-way valve was summarized.Keywords:The check valve;,reliability ana...

A Systematic Improvement Design of Production Line ABased on Continuous FlowAbstractRelay is the basic component of electronic control,which is widely used in electriccontrol syste...

C616型普通车床改造为经济型数控车床序言毕业设计课题：C616型普通车床改造为经济型数控车床课题简介：本课题是围绕将普通机床改造成经济型数控机床展开设计的，经济型数控机床是指价格低廉、操...

AbstractAt present,the car has become an important traffic tool in people's lives.In orderto control automobile exhaust pollution,protect human survival environment,countries aroun...

ABSTRACTSince the reform and opening up,China's economy has made great progress,the mostobvious of which is the continuous improvement of China's industrialization.In themachinery ...

Design and motion control of an intelligent carABSTRACTWith the continuous development of productivity,intelligent products are transported tovarious industries..Among them,the aut...

Design of Intelligent Vision Protector Based on 51 Single ChipMicrocomputerAbstract:On this day,the school of young people is heavy.And young people have pooreyesight.This situatio...

目录1绪论…11.1研究背景1.2变换器简介21.3本文研究的内容…32DC-DC变换器的工作原理..42.1DC-DC变换器的基本电路图及工作原理…42.2BUCK变换器.…62.2.1线路组成。…62.2.2工作原理.723带变压...