機器
backhoe
barge
bucket
bulldozer
canal
clean
construction
development
dig
digger
dirt
dredge
dredging
earth
ecological
ecology
ecosystem
engineering
environmental
equipment
excavator
fishing
floating
green
heavy
hydraulic
industrial
industry
local
machinery
maintenance
metal
natural
outdoor
pollution
pontoon
river
site
sky
technology
thailand
transport
transportation
tree
urban
vehicle
water
work
yellow
定額
A yellow backhoe parked on a raft after dredging a canal. Backhoe on a pontoon and clean water in the river. Clean environment. Dredge aquatic plants from the canals with a backhoe to keep them clean.の素材 [FY310193706123]
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