PREVIEW
... sigh with emotion.
An aircraft of this size has never been built in China! The whole workshop seems to be unable to put it down.
In the development of aircraft, the first is the wooden prototype, which can be made in advance to let people see what it looks like. If there is a problem, it can be modified as soon as possible. Later, it is the metal prototype, J-10. Research and development means directly building a metal prototype. Later, with paperless operations, prototypes are ...
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