propulsion

propulsion的英语例句

1. The nineteenth century witnessed a revolution in ship design and propulsion.

   19世纪船舶设计和船舶动力领域发生了重大的变革。

2. The liquids employed for rocket propulsion are called propergols.

   用于火箭发动机的液体称为液体火箭推进剂.

3. Interest in jet propulsion was now growing at the Air Ministry.

   航空部对喷气推进的兴趣正在增加。