英文關鍵字
artesian
bore
deep
dig
dirt
drill
drilled
drilling
earth
engineering
equipment
for
ground
machine
machinery
mechanical
rig
soil
technology
underground
water
well
wells
work
英文關鍵字
artesian
bore
deep
dig
dirt
drill
drilled
drilling
earth
engineering
equipment
for
ground
machine
machinery
mechanical
rig
soil
technology
underground
water
well
wells
work