英文關鍵字
2017
activity
agriculture
and
backhoe
backhoes
bucket
bulldozer
construction
deep
device
dig
digger
digging
dirt
drill
drilling
equipment
excavator
flat
for
foundation
foundationnakon
ground
group
hammer
heavy
hole
hydraulic
industrial
industry
june
loader
machine
machinery
metal
mining
nakon
oil
outdoor
pathom
pile
piles
road
sand
shovel
site
sky
soil
steel
technology
thailand
track
tractor
truck
vehicle
work
worker