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Terms for subject Earth sciences containing 回声 测 深 | all forms | in specified order only
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倒置式回声测深inverted echo sounder
全球水平回声测深技术global horizontal sounding technique
压力表式倒置回声测深inverted echo sounder with pressure gage
回声测深echo sounding
回声测深echo-sounding device
回声测深仪测深fathometer depth sounder
回声测深echo depth sounder
回声测深echo sounding room
回声测深fathometer depth sounder
回声测距与测深综合系统combined echo ranging and echo sounding
固定式回声测深secure echo-sounding equipment
精密回声测深记录仪precision echo sounding recorder