sounding machine
... sounding balloon 探测气球 sounding machine 测深器 sour humus 粗腐殖质 ...
[测] depth finder
... depth bounds definition 深度范围定义 depth finder 测深器 depth measurement 深度测量 ...
sounder
... 共鸣板 sounding board 测深器 sounder 防音门 sound proof door ...
hydro-barometer
... hydro-aerodynamicvessel水-空气动力船水翼艇 hydro-barometer测深器 hydro-barometer水深尺 ...