GB/T 37306.1-2019 金属材料疲劳试验变幅疲劳试验第1部分:总则、试验方法和报告要求
文件大小 : 1582.86 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2024-01-04 11:14:42
Warning: get_headers(): SSL operation failed with code 1. OpenSSL Error messages:
error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182
Warning: get_headers(): Failed to enable crypto in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182
Warning: get_headers(https://img.0ppt.com/61/10/33/61103312.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182