DB13/T 2164-2014 埋地高强度聚氯乙烯(PVS-S)给水管道工程技术规程

文件大小 : 1.02 MB

文档格式 : PDF电子版

文档分类 : 行业标准

更新时间 : 2024-07-09 11:54:56


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/26/28/39/2628390.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182