材料
A-bullet train
B-intercity high-speed rail
C-non-stop train
D-dedicated rail link
E-business cabins
F-first-class seats
G-second-class seats
H-protective fence
I-passenger flow
J-floating prices
K-real-name purchase
L-replacement ticket
M-on-schedule rate
N-occupancy rate
O-passenger rail line
P-run chart
Q-vehicle type
Examples :(P)运行图 (B)城际高铁
( )补票
A. A
B. B
C. C
D. D
E. E
F. F
G. G
H. H
I. I
J. J
K. K
L. L
M. M
N. N
O. O
P. P
Q. Q
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