eumhyangcheuksimgi
fathometer
appareil de sondage (sino-coréen) ; sondeur ; appareil de sondage
음향측심기를 사용하여 바다의 깊이를 측정했습니다.
eumhyangcheugsimgireul sayonghayeo badaui gipireul cheugjeonghaessseubnida.
We used a fathometer to measure the depth of the ocean.
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