第一节概述 第二节装配工艺规程的制订 第三节装配尺寸链 第四节保证装配精度的方法

第一节表面质量的概念 第ニ节影响表面质量的因素 第三节控制加工表面质量的措施

人体测量 静态测量与动态测量 人体测量数据的使用

一、神经系统 二、视觉（vision & Visual Sense) 三、听觉(audition) 四、触觉和嗅觉

There are two basic methods of generating process manufacturing gear teeth,the generating process and the forming forming process process. When a gear tooth is generated, the workpiece and the grinding cutting or grinding tool are in continuous mesh and the tooth form is mesh

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conical roller Bearings With rolling Contact In bearings with rolling contact, the shaft is needle idirectly or indirectly supported by rolling elements, cylindrical such as balls, cylindrical or conical rollers, orroller needles (i.e, ylindrical rollers with a high

目标:筛选微生物最适生长及产物形成的 营养条件和培养条件,确定特定产物发酵 的工艺参数

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transmission or many years a hydraulic system was plumbing considered the result of plumbing together number of components. Also, a hydraulic component system has been considered merely the of power for control servos. Each of these servo 1aB concepts can lead to basic errors