英文關鍵字
auger
boer
bore
construction
deep
drilling
energy
foundation
geology
geothermal
ground
industrial
land
machine
mechanical
mining
power
rig
sound
vertical
water
well
work
英文關鍵字
auger
boer
bore
construction
deep
drilling
energy
foundation
geology
geothermal
ground
industrial
land
machine
mechanical
mining
power
rig
sound
vertical
water
well
work