echo sounder
短语词组
- echo dapth sounder 回波测深仪
- sonic echo -sounder 声波回声测深仪
- echo -sounder 回声探深仪;回声测深仪;潨;测深仪
- echo depth sounder 回声测深仪;回音测深仪
- inverted echo -sounder 倒置回声测声仪
- digital echo -sounder 数字显示式回声测声仪
- Echo -sounder instrumental errors 仪器
- digital ultrasonic echo -sounder 数字超声波测深仪
- double -chan excellentnel echo well sounder 双通道回声井深测试仪 返回 echo sounder