Warning: file_put_contents(): Only 0 of 6194 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 echo depth sounding例句_echo depth sounding英汉例句_echo depth sounding双解例句_乐豆毛深蓝词典
In order to interpret the pipeline position and quantify the pipeline settling depth, multi-beam echo sounding techniques are used in the pipeline inspection. 为查明海底管道的位置和掩埋状态，在海底管道检测中使用多波束测深技术。