機器
3d
airport
automatic
boarding
bus
card
cashless
collection
commuter
contactless
digital
electronic
entrance
entry
gate
hall
hand
human
icon
isometric
metro
nfc
operator
passenger
pay
payment
rail
railway
rfid
senior
shop
station
system
table
technology
terminal
ticket
train
transit
transport
transportation
tube
tunnel
turnstile
validator
vending