機器
activity
backhoe
blue
bucket
building
bulldozer
business
city
concrete
construction
construction crane
crane
dig
digger
dirt
drainage
earth
engineering
equipment
excavate
excavation
excavator
foundation
foundation construction
ground works
groundworks
heavy
high
hydraulic
industrial
industry
machinery
metal
modern
power
project
sand
scoop
shovel
site
sky
structure
technology
tractor
transport
trench
truck
vehicle
work
定額
Excavator at a construction site on a background of a construction cranes and building. Backhoe dig the ground for the foundation, laying storm sewer pipes. Installation of water main systems.の素材 [FY310135750686]
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