短語詞組短語magnetic sounder 磁測深線;[地物]磁測深儀Polarized Sounder 極化音響器;極化音響機(jī);極化聲響器;極化聲響機(jī)fish sounder 魚群廻聲探測儀pressure sounder 壓力測深儀adjustable sounder 可調(diào)發(fā)聲器skipper sounder 一種探魚儀pulse sounder 脈沖探測儀ionospheric sounder 電離層探測儀Swath Sounder 條帶測深儀echo sounder 廻聲測深器 返回 sounder