propulsion device
英
美
- 推进器
双语例句
- Rocket motors have many advantages over other forms of propulsion.
火箭发动机比其他推进器有许多优点。 - The Center of Pressure, due to the propulsion of air, is approximately at the bottom of the ducts.
该中心的压力，由于推进器的空气，大约是底部的管道。
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