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WATER PRESSURE RESISTING TRANSMITTER AND RECEELVER
WATER PRESSURE RESISTING TRANSMITTER AND RECEELVER
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机译:耐水压变送器和接收器
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摘要
PURPOSE:To easily correspond to the directivity composition required, to arrange a group of oscillators without use of sound oil and to reduce the size and weight of the structure for transmitter and receiver by combining the arrangement of the oscillators and an incompressive material.
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