Conclusion: It is feasible to develop and produce geotextiles weaving machinery in Lanzhou Flight Control Instrument Factory and will have a good economical and social benefit.
通过本文的可行性研究认为：在兰州飞控仪器总厂土工布编织机械项目不仅在技术上是可行的，而且具有良好的经济效益和社会效益。
The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.
仪表等级赋予飞行员控制飞机的能力，而不用参考地面或地平线，只使用飞行和导航仪表。
The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.
仪表等级赋予飞行员控制飞机的能力，而不用参考地面或地平线，只使用飞行和导航仪表。
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