In the latest test, SpaceShipTwo did not fire its rocket engine to climb to space.
在最近一次测试中，太空飞船二号由于火箭引擎点火失败而没有升入太空。
Thirteen colossal engine thrusters glow blood red as they push the immense craft through space.
十三座巨型引擎推进器发出血红色光芒，在太空中推动这艘巨型飞船。
Such a radial engine occupies little floor space.
这样以来，径向式发动机占据的空间很小。
Electrical rocket engine is a new type of space propulsion system.
电火箭发动机是一种新型的空间推进装置。
Also, the engine becomes quite long and takes up considerable space.
而且，发动机变得相当长，占据了相当多的空间。
The space flight test and application situation of electric rocket engine were introduced.
介绍了电火箭的航天飞行试验和应用情况。
NASA space shuttles each have three fuel control valves one for each main engine.
美国宇航局航天飞机每一个有3个燃料控制阀，为每个主引擎之一。
NASA space shuttles each have three fuel control valves one for each main engine.
美国宇航局航天飞机每一个有3个燃料控制阀，为每个主引擎之一。
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