| 单词 |
vernier engine |
| 释义 |
vernier engine vernier engine[′vər·nē·ər ′en·jən] (aerospace engineering) A rocket engine of small thrust used primarily to obtain a fine adjustment in the velocity and trajectory of a rocket vehicle just after the thrust cutoff of the last sustainer engine, and used secondarily to add thrust to a booster or sustainer engine. Also known as vernier rocket. |
| 随便看 |
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