A.atm pvc 33 0 33 aal5snap
B.atm pvc 33 0 33 aal5bridge
C.atm pvc 33 0 33 bridge 1483
D.atm pvc 33 0 33 1483 bridge
参考答案:A
A.atm pvc 33 0 33 aal5snap
B.atm pvc 33 0 33 aal5bridge
C.atm pvc 33 0 33 bridge 1483
D.atm pvc 33 0 33 1483 bridge
参考答案:A