英语词汇navigation echo sounder怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	navigation echo sounder
释义	navigation echo sounder 简明释义导航回声测深仪网络释义 1 ?导航回声测深仪导航回声测深仪双语例句 1 The echo sounder is now gradually out of use in navigation, because it has many errors. 回声测深仪在导航仪器中的地位在下降，其原因是它存在着较多的误差。
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