機器
access
architecture
background
barrier
building
business
city
commute
construction
control
corridor
design
empty
enter
entrance
entry
exit
floor
gate
industrial
industry
interior
line
metro
modern
mtr
nobody
passenger
public
rail
railway
service
speed
station
subway
technology
ticket
train
transit
transport
transportation
travel
turnstile
turnstiles
underground
urban
way
white
work