英文關鍵字
bore
bored
borehole
construction
drill
drilling
engineering
equipment
foundation
ground
hole
hydraulic
industrial
industry
machine
machinery
pile
rig
site
soil
英文關鍵字
bore
bored
borehole
construction
drill
drilling
engineering
equipment
foundation
ground
hole
hydraulic
industrial
industry
machine
machinery
pile
rig
site
soil