疲劳是一个无可避免的老化的过程，但是像开口和接头这样的薄弱的部位可以使用胶粘剂粘合来代替铆钉和螺栓，并且用大的板材来铸造机翼。

Fatigue is an aging process that cannot be avoided, but weak points such as holes and joins can be reduced by using adhesives instead of rivets and bolts, and by casting wing skins in gigantic panels.

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用短毛刷将配合后的粘合剂分两次均匀涂刷在干燥的接头表面。

Thirdly, apply the mixed adhesive with a short brush, on dried joints surface.

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