英文關鍵字
bulldozer
footing
tractor
base
seat
earth
dirt
land
mover
rake
construction
excavator
preparing
planning
terrain
development
ground
drainage
site
dig
incomplete
housing
contractor
new
compactor
bedding
beginning
foundation
surface
earthwork
groundwork
backhoe
property
scraper
truck
bottom
slab
floor
dozer
level
industry
constructing
formwork
soil
home
blueprint
loader
earthmover
layout