?测深仪

... 机械测深用的水深比例尺 sounding machine depth scale; sounding scale 测深仪 bathometer; bathymeter; deep sounding apparatus; deep-sounding apparatus; depth finder; depth measurement meter; depth measuring instrument; depth recorder; depth sounder; depth sounding machine; depthfinder; depthometer; dr; echo sounder; echometer; fathmeter; fathometer; lotlin; sounding gauge; sounding-machine 测深仪测深 fathometer sounding ...