基本解釋回聲探測儀英漢例句雙語例句When passing One Fathom Bank, check the depth and variable sand waves below the sea level all the time by echo sounder.通過一托淺灘時，要一直測深校時水深及海面下多變的沙紋。blog.sina.com.cnEcho Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.回聲測深儀是用來測量水深的一種聲學測量設備，其以水中超聲波的傳播速度為確定條件，利用發(fā)射波與反射回波時間差來測量水深。echo depth sounder更多例句詞組短語短語double -channel echo well depth sounder 雙通道回聲井深測試儀echo depth sounder更多詞組專業(yè)釋義經(jīng)濟學回聲測深儀交通運輸工程回聲測深儀測繪科學技術回聲測深儀地球科學回聲測深儀