国内英语新闻:China flies AG600 large a

网友回答：

is part of china s key project of independently-developed "large aircraft family."the successful maiden flight from the sea is a major step forward in the development of this large amphibious aircraft following its maiden flight in 2017 and first takeoff

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。