echo sounder
短语词组
- echo dapth sounder 廻波測深儀
- sonic echo -sounder 聲波廻聲測深儀
- echo -sounder 廻聲探深儀;廻聲測深儀;潨;測深儀
- echo depth sounder 廻聲測深儀;廻音測深儀
- inverted echo -sounder 倒置廻聲測聲儀
- digital echo -sounder 數字顯示式廻聲測聲儀
- Echo -sounder instrumental errors 儀器
- digital ultrasonic echo -sounder 數字超聲波測深儀
- double -chan excellentnel echo well sounder 雙通道廻聲井深測試儀 返回 echo sounder