音響測深儀 yīnxiǎngcèshēnyí fathometer Definitions Defs Origin Strokes Stroke Words Sentences Sents 音响测深仪 音響測深儀 yīnxiǎngcèshēnyí fathometer An instrument used to measure the depth of water by calculating the time it takes for sound waves to travel to the seafloor and back.
音响测深仪 音響測深儀 yīnxiǎngcèshēnyí fathometer An instrument used to measure the depth of water by calculating the time it takes for sound waves to travel to the seafloor and back.
