GB/T 39545.1-2022闭式齿轮传动装置的零部件设计和选择第1部分:通用零部件国家标准
英文:Design and selection of components for enclosed gear drives—Part 1: Common components GB/T 39545.1-2022介绍: 国家标准《闭式齿轮传...
英文:Design and selection of components for enclosed gear drives—Part 1: Common components GB/T 39545.1-2022介绍: 国家标准《闭式齿轮传...