retroengine

常見(jiàn)例句

• Retroengine's firing time must the accuracy control, the firing time differ 1 second, will cause the airship point of descent position difference kilometer.
  制動(dòng)發(fā)動(dòng)機(jī)的點(diǎn)火時(shí)間必須精確控制，點(diǎn)火時(shí)間相差1秒鍾，就會(huì)使飛船落點(diǎn)位置相差數(shù)公裡。
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