Optimization of Design on Automatic Feeding Device of Cutting Double End of Piston Pin

Research and Development of Full Automatic CNC Special Machine for Boring Piston Pin Hole

全自动CNC镗削活塞销孔专机的研究开发

Application of Sand Band Grinding Technique in Piston Pin Chamfer Processing

砂带磨削技术在活塞销倒角工艺中的应用

Piston Pin Failure Analysis and Its Manufacture Technique

活塞销失效与制造工艺分析

Study on increasing working life of piston pin's cold extruding punch

关于提高活塞销冷挤压凸模寿命的研究

Analysis of Crackles on Piston Pin's Surface and Improving Measures

活塞销表面磨削裂纹分析及改进措施

Fatigue Strength Test of a Kind of Piston Pin

活塞销的疲劳强度考核试验

Compound Strengthening Treatment of Male Die for Piston Pin Cold Extrusion

活塞销冷挤压凸模的复合强化处理

Sorting System of Synchro Measurement for High Performance Piston Pin

高性能活塞销同步测量分选系统

Process of Expanding Inside Side of Piston Pin Bore and Equipment

活塞销孔内缘扩压过程及其所用装置

Research of Heterogeneous Type Piston Pin Boss Hole Closed Loop Processing System.

异型活塞销孔闭环加工系统研究；

Correlation and Control of Piston Pin Thermal Stability and Residual Austenite

活塞销热稳定性、表面残余奥氏体相互关系及控制方法

Development and Application of Diesel Piston Pin Material

柴油机活塞销材料的发展和应用

Forming Process and Die Design of Piston Pin Cold Extrusion

活塞销冷挤压成形工艺和模具设计

A Brief Introduction to Evaluation Test of Motorcycle Engine Piston Pin Performance

摩托车发动机活塞环的性能评价试验简介

Failure analysis and process improvement of piston pin

活塞销失效分析及工艺改进

The Finite Element Analysis of Piston Pin Hole Engines to Improve Structure

发动机活塞销孔结构改进的有限元分析

Piston Pin Processing Technology Optimizing by Process Chain Analysis

用工艺链分析法优化活塞销加工工艺

Machining Tolerance of Piston Pin End Surface by Analysis and Calculation Method

分析计算法确定活塞销加工余量

The Structure Design and Test Research of the Piston Pin Bore

活塞销孔结构设计与试验研究

Following the usual routine for such visits ( there are six scheduled for this school year) the students toured two Berkshire retail subsidiaries, held a two-and-a-half hour Q& a session with Buffett, and lunched at one of his favorite restaurants, piccolo' s.

常规参观（本学年共有六次参观安排）结束后，学生们又参观了伯克希尔旗下的两家零售子公司，与巴菲特进行了两个半小时的互动，中午在巴菲特最钟爱的餐厅Piccolo's用餐。