| 释义 |
propulsion unit
基本例句
推进装置
Marine propulsion shafting is one of the main parts of marine propulsion plant.船舶推进轴系是船舶推进装置的重要组成之一。
The paddle wheel was the first form of mechanical propulsion for a boat, but has now been almost entirely superseded by more modern forms of marine propulsion.桨轮是轮船机械推进的第一种形式，而现在则完全被现代船舶推进装置所取代。 |