日期:
来源:雅诚德英语网
Above 5,490m is the realm of the heavy jets, since jet engines operate more efficiently at higher altitudes.
超过5490米是重型喷气式飞机的领域,因为喷气式发动机在更高的高度运行时效率更高。
Above 5,490m is the realm of the heavy jets, since jet engines operate more efficiently at higher altitudes.
超过5490米是重型喷气式飞机的领域,因为喷气式发动机在更高的高度运行时效率更高。