英文關鍵字
earthmover
level
earthwork
excavator
truck
foundation
machine
floor
basement
mud
rake
work
scraper
bulldozer
clear
spade
blade
dirt
ground
tractor
building
backhoe
construction
haul
dig
vehicle
compactor
preparation
dozer
framework
loader
engineering
terrain
removal
base
trench
land
mover
drainage
beginning
equipment
earth
contractor
soil
site
industry
shovel
heavy