범주 1개

지원 질문 질문하기

Background and Identification ¶ 

When the Wright brothers made their flying machine it was made of numerous bicycle parts and big wings. Since then not much has changed, except a few things about jet propulsion, structural rigidity, and aerodynamics.

조회 통계:

지난 24시간: 0

지난 7일: 2

지난 30일: 26

전체 시간: 4,403