英文關鍵字
automobile
belaz
business
canyon
car
career
carrying
coal
deep
dig
digger
dirty
drive
earthmover
ecology
environment
equipment
ground
heavy
heavyduty
huge
industry
large
loaded
machine
machinery
mine
mineral
mover
open
openpit
ore
oversized
overweight
rail
removing
russia
siberia
size
super
tire
train
transport
transportation
truck
urban
vehicle
wheel
work
yellow