英文關鍵字
bore
boring
car
closeup
construction
countryside
crop
deep
desert
dig
dirt
drill
drilling
earth
earthwork
energy
engineering
equipment
field
geology
geotechnical
geothermal
ground
groundwork
hole
home
industrial
industry
land
landscape
machine
machinery
mechanical
motion
old
power
rig
sand
slow
slowmotion
soil
splash
technology
test
thailand
truck
underground
water
well
work
worker