单词	depth finder-- sounder
释义	depth finder; sounder测深仪
随便看	machine， multi-gev machine， parallel machine， pinch machine， soft x-ray machine， thermonuclear machine， unloading machine， van de graaff machine， x-ray machinima machinimator machinimist machining machining accuracy machining allowance machining and display application program machining and display application program--mdap machining and display application program，mdap machining center machining data machining data bank system machining database system machining depots machining element time machining error machining instruction