GB/T 3480.1-2019直齿轮和斜齿轮承载能力计算第1部分:基本原理、概述及通用影响系数标准
英文:Calculation of load capacity of spur and helical gears—Part 1: Basic principles, introduction and general influence f...
英文:Calculation of load capacity of spur and helical gears—Part 1: Basic principles, introduction and general influence f...