propulsion unit的用法和樣例：
例句
- Marine propulsion shafting is one of the main parts of marine propulsion plant.
船舶推進軸系是船舶推進裝置的重要組成之一。 - The paddle wheel was the first form of mechanical propulsion for a boat, but has now been almost entirely superseded by more modern forms of marine propulsion.
槳輪是輪船機械推進的第一種形式，而現在則完全被現代船舶推進裝置所取代。
propulsion unit的相關資料：
臨近單詞
propulsion
propulsion data display panel
Propulsion and Power Division
propulsion aerothermodynamics
Propulsion Subsystem Structure
Propulsion Engineering Officer
Propulsion Research Laboratory
Propulsion Wind Tunnel Facility
Propulsion and Power Generation
propulsion airframe integration
Propulsion System Rocket Engine
