機器
abstract
access
air
automated
blue
buy
card
cartoon
character
classic
concept
control
display
entrance
escalator
exit
facilities
flat
graphics
icon
illustration
infographic
isolated
line
linear
metaphor
metro
outline
pack
passenger
platform
public
purchase
services
set
smart
stair
station
subway
terminal
through
ticket
transport
travel
trip
turnstile
walking