有民航圈的专业人士吗？国内航司只有三大航有77W和359的飞机吗？

Sichuan Airlines Fleet
Aircraft  In Service  Orders  Passengers  Notes
J  Y  Total
Airbus A319-100  23  —  8  124  132  
Airbus A320-200  53  —  8  142  150  B-6388 in Chinese Dragon livery
B-6719 in Yunnan livery
Airbus A320neo  18  6[14]  8  150  158[15]  
Airbus A321-200  43  —  8  186  194  B-1663 in 100th Aircraft livery
Airbus A321neo  21  3  8  190  198  
Airbus A330-200  6  —  36  209  245  One aircraft in panda livery
Airbus A330-300  7  —  36  265  301[16]  B-5923 and B-5929 in Wuliangye livery
B-5945 in 2021 Summer Universiade livery
Airbus A350-900  4  10[17][18]  28  303  331  Two painted in "Panda" special liveries

这种信息都是公开的，直接查就知道了