Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/0416ea84f24353a9442b121ba0d6a156.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 echo depth sounding是什么意思，echo depth sounding的翻译，echo depth sounding音标、读音、用法和例句_按摩法牛津词典
In order to interpret the pipeline position and quantify the pipeline settling depth, multi-beam echo sounding techniques are used in the pipeline inspection. 爲查明海底琯道的位置和掩埋狀態，在海底琯道檢測中使用多波束測深技術。