JJG(交通) 173-2021 钢质护栏立柱埋深冲击弹性波检测仪检定规程

文件大小 : 1.16 MB

文档格式 : PDF电子版

文档分类 : 行业标准

更新时间 : 2024-07-29 08:11:34


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/29/79/15/2979150.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182