单词	play head
释义	play head 放像磁头
随便看	hydro turbine governor hydro-turbine governor hydroturbine load rejection hydroturbine lubrication hydro turbine main shaft hydroturbine model test stand hydroturbine regulating system hydro-turbine regulating system Hydro-turbine regulation system hydro turbines Hydroturbine Speed Controller hydro-turbine speed governor hydro-turbine units hydroturbojet hydrotylosin hydrotympanum hydro-type washer hydrougrandite hydroulic concrete hydroulic model experiment hydroulics hydro unit hydro unit basepoint hydro-upgrade Hydro-upgrading