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Chapter 881 : Be quick and safe
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Chapter 883 : Closed door
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... s responsible for the delicate aircraft.
Any aircraft that is put into commercial operation needs to comply with the civil aviation laws and regulations, and needs to obtain production licenses and operating licenses. These licenses can be said to be the most stringent documents for product requirements and specifications in global civilian products.
The 919 passenger aircraft currently being researched by China has spent a full nine years from the project research to the first fli ...
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