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As the first rocket burns out,the second stage motor ignites. 火箭第一节燃料用完的时候，第二节就点燃了。
As the first rocket burns out, the second stage motor ignites. 火箭第一节燃料用完的时候，第二节就点燃了。
The rocket rises and we can see the second stage ignite. 火箭升高了，我们可以看到二级点火。
First Stage Rocket Motor 第一级火箭发动机
This is the second stage of cognition. 这是认识的第二个阶段。
The second stage is the metaphysical stage. 第二阶段是形而上学阶段。
The second stage of labor usually lasts 4 hours. 第二产程通常持续4小时。
Perched on the shoulers of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built. 放在助飞火箭上的是第二节，那是迄今制造的最强大氢燃料火箭。
The second stage will be the period on ILR. 在达到以上两个步骤之后，申请者则有资格申请入籍英国。
Rocket motor cases and the specially designed production equipment therefor. 四、火箭发动机的壳体及为其专门设计的生产设备。
Perched on the shoulders of the booster is the second stage, the most powerful hydrogen-fueled rocket ever built. 放在助飞火箭上的是第二节,那是迄今制造的最强大氢燃料火箭。
The second stage may be termed one of strategic stalemate. （三七）第二阶段，可以名之曰战略的相持阶段。
After the first stage burns out, it falls back to earth along a parabolic path, while the engines of the second stage fire to thrust the rocket into an earth orbit. 当第一级烧毁后，沿抛物线的轨道落到地球，而第二级的发动机点火把火箭发射到地球轨道。
Four nozzles, canted outboard, split the exhaust of the solid rocket motor into four equal tails. 四个向外倾斜的喷管把固体火箭发动机的排气流分成四个相等的尾巴。
The 1st stage rocket engine is that of the ‘Rodong 1’, while the 2nd stage rocket is that of the Scud-C. 第一级的火箭引擎是“劳动I型”的类型，第二级是SCUD-C的型号。
This was the second stage in the Party's development. 这就是党的发展过程的第二个阶段。
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。
In September they put the second stage of the plan into operaition. 9月间，他们开始执行第二期计划。
There is a rocket motor on the satellite by which the direction of the satellite can be changed if necessary. 在卫星上还有一个火箭马达,必要时可以用它来改变卫星的方向。
According to the requirement of pasty propellant rocket motor, a composite plasma igniting plan was adopted. 摘要根据膏体推进剂火箭发动机。