electromagnetic fathometer电磁测深仪
fathometer r回声探测器声波测深器
down fathometer回声测深兼测冰仪
infrared fathometer红外测温
ice fathometer回声测冰仪;测冰仪
fathometer chart测深图
echo fathometer回声测深仪
charting fathometer海底地貌测绘仪
fathometer indicator深度指示器
N(名词) a type of echo sounder used for measuring the depth of water 声呐测深仪 [trademark]