GB/T 40543-2021 石油天然气工业 高含CO。环境用套管、油管及井下工具的材料选择
文件大小 : 4899.5 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2023-12-06 11:36:50
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/61/11/76/61117613.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182