Terms for subject Navigation containing sounders

English	Chinese
depth sounder	水深计
hydrographic precision scanning echo sounder	水道测量精密扫描回声测深仪
inverted echo sounders	反向【倒置】式回声测深仪
inverted echo sounders with pressure gauges	带压力计的反向回声测深仪
multibeam echo sounders	多波束反射测深仪
thermal depth sounder recorder	温深探测器记录仪