airport_service.txt

介绍：MySQL是比较出名的数据库软件

'MATL','ATL',9.0,'S',45
'BBOS','BOS',3.0,'NE',30
'DDFW','DFW',13.0,'NW',70
'FDFW','DFW',17.0,'E',55
'DDEN','DEN',6.5,'NE',30
'PPHL','PHL',7.0,'SW',35
'PPIT','PIT',17.0,'W',55
'OOAK','OAK',10.0,'SE',15
'OOAK','SFO',24.0,'SW',60
'SSFO','SFO',8.0,'SE',30
'SSFO','OAK',18.0,'SE',60
'WWAS','BWI',32.0,'NE',50
'BBWI','BWI',10.0,'S',25
'','',0.0,'',0