发布时间:2025-01-19 16:24:17
1. 高强螺栓的扭矩系数并非固定值,根据国家标准,大六角头螺栓的扭矩系数应在0.11至0.15的范围内,实际值需通过扭矩系数试验确定。
2. 对于扭剪型高强螺栓,我国规定其扭矩系数统一按0.13进行取值。
得力指纹考勤机导出的考勤报表受密码保护怎么撤销保护密码多少aaaabbaabbbo这个不对
2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17 2025-01-19 16:24:17