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本文详细阐明了桥渡冲刷测深装置的原理、特点、性能，以及本装置于１９８９年～１９９１年先后在南京长江大桥及钱槽江大桥的检测情况及考核结果。
This paper elaborates the principle, characteristics and performance of the bridge-crossing scouring and sounding device and the testing results and assessment results of the device in Nanjing Yangtze River Bridge and Qianqiang River Bridge from 1989 to 1991.