And Xu Kuang walked towards the chief engineer of the plane, he looked at the other party and asked, "How long is the service life of these flapping wings?" ”。

When the chief engineer heard this, he immediately said: "You are worthy of being the pioneer of modern alchemy, and you really hit the nail on the head, this fluttering wing needs to bear a huge load, and we have tried our best to extend its service life to two thousand hours, and more than two thousand hours will greatly increase the probability of a crash." ”。

"So long?" Xu Kuang didn't expect the service life of this flapping wing to be so long.

"What is the current production of that lightweight supermaterial?" he asked. ”。

When the chief engineer heard this, his face suddenly became a little nervous......

"The Mechanical Heresy of the Wizarding World" Chapter 683 Scientific Research is in the middle of the hand, please wait a moment,

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