摘要
On January 25,2020,Boeing's new 777X commercial airplane finally took its maiden flight at Everett,Wash-ington's Paine Field,after a long wait due to a series of development delays and a postponement of its first flight since it was launched in November 2013.
出处
《热能动力工程》
CAS
CSCD
北大核心
2020年第4期I0003-I0003,共1页
Journal of Engineering for Thermal Energy and Power