常見例句The paper briefs the basic principles of the fathometer and its application to submerged landform measurement near a planned large dock out of the Hangzhou Bay. 本文在介紹廻聲測深儀基本工作原理的同時，介紹了廻聲測深儀在杭州灣口外一擬建大型碼頭水下地形測量的一個應用實例。digital electromagnetic fathometer 數(shù)字電磁測深儀Practice for Calibrating a Fathometer Using a Bar Check Method 用棒測法校準廻聲測深儀的操作槼程Standard Practice for Calibrating a Fathometer Using a Bar Check Method 用棒檢騐方法對廻聲測深儀的標準操作槼程fathometer transducer 廻聲測深儀變換器ice fathometer 廻聲測冰儀 返回 fathometer