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IGK用户手册03.rar
- IGK用户手册
3gpp-27007-630
- at-command 3gpp-27007-630
22233-630
- 3rd Generation Partnership Project Technical Specification Group Services and System Aspects Transparent end-to-end packet-switched streaming service Stage 1 (Release 6
pcbsitutorial
- This tutorial is designed to familiarize you with Allegro PCB SI 230/610/630.
dddddddd
- 机械齿轮的参数优化,设计一直齿圆柱齿轮传动, 已知其齿数比u= 4, 小轮轴 扭矩T 1= 100N. m, 单向传动, 润滑良好, 非对称布置, 两齿 轮材料 小齿轮40Cr, 调质, 齿面硬度HB= 250~ 280, [ RH ] 1 = 630MPa, [ RF ] 1= 288MPa 大齿轮45 钢, 调质, 齿面硬度 HB= 220~ 250, [ RH ] 2= 550MPa, [ RF ] 2= 204MPa, 取载荷系 数K = 1. 28。-Paramet