英文關鍵字
airport
belt
conveyor
escalator
green
illumination
light
lines
loop
mechanism
metal
metallic
modern
motion
move
movement
moving
office
parallel
passage
passenger
pedestrian
period
ramp
ribbed
run
sequence
sidewalk
staircase
stairs
stepless
striped
stripy
surface
technology
terminal
track
traffic
transfer
transport
transportation
travel
travelator
travelling
travolator
treadmill
trip
walk
walkway