It is an undisputable fact that with the growing demand for and global development of civil aviation, the number of planes that take off and land at any airport every day has risen tremendously.
英
美
- 随着全球民航业的发展,人们对航空需求的提高。每天在任何一个机场起起落落的客机数目大大增加,却也是个不争的事实。