材料
A—Safety hammer
B-Hitting point
C-Emergency ladder
D-Emergency door opener
E-Emergency call button
F-Emergency brake button
G-Fire alarm button
H-Fire extinguisher
I-Fire proof door
J-Handle of emergency brake
K—Heating boiler
L—Table board
M–Protective screening
N—Dining car
O—Accessible facilities
P—Large luggage depositor
Q—Transition plate
Examples:(M)防护网(Q)过渡板
()防火隔断门
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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