英文關鍵字
activity
backhoe
bucket
build
bulldozer
construction
cut
development
dig
digger
dirty
earth
engine
engineering
equipment
excavate
excavation
excavator
ground
heavy
hydraulic
industrial
industry
infra
land
large
loader
machine
machinery
metal
mine
mining
mover
moving
quarry
repair
sand
scenery
scoop
sea
shovel
site
soil
thailand
tractor
transport
truck
vehicle
work
workplace