英文關鍵字
bore
dig
drill
drilled
drilling
earth
engineering
equipment
for
ground
industry
machine
outdoors
pipe
rig
steel
technology
water
well
wells
work
英文關鍵字
bore
dig
drill
drilled
drilling
earth
engineering
equipment
for
ground
industry
machine
outdoors
pipe
rig
steel
technology
water
well
wells
work