GB/T 20485.42-2018 振动与冲击传感器校准方法 第42部分：高精度地震计的重力加速度法校准
文件大小 : 648.25 KB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2024-04-19 14:11:42
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/26/46/84/2646848.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182