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Used Echo Construction in Chongqing, China

  • GOLD Ultrasonic Hydrographic Marine Surveying

    GOLD Ultrasonic Hydrographic Marine Surveying Echo Sounder With GPS

    • Manufacturer: Echo

    The oceanographic echo sounder is an instrument that uses the principle of sound wave reflection to measure water depth. Its working principle is to send sound waves in the water through a transducer. When the so...

    Chongqing, China