GB/T 41517-2022 船舶和海上技术 可行驶内燃机车辆的货舱的通风 气流总需量的理论计算
文件大小 : 2890.77 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2023-12-01 17:10:01
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/61/11/93/61119387.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182