Research on the design of resting place in tour highway with small and medium traffic volume 中小交通量旅游公路休息区设计研究
2.
The boeing 777 - 200 is the shorter variant of the b777 - 300 and carries 336 passengers in two classes . it is designed for medium traffic short - haul and medium - haul routes 波音777 - 200型飞机是波音777 - 300型飞机的改良机种，机身较短，可载客336人机位分为两种等级。
