逐层钻孔法
incremental hole drilling method
桩基钻孔
Drilling for file foundation
钻孔
borehole
drilling
Pile
Hole
Drill
Bored
Boring
Bore
Drilled
piles
BOREHOLES
borer
punch
punching
Holing
drills
holes
DRILLER
piercer
DRILLHOLE
drill hole
trepanation
Perforation
Cast in situ
hole drilling
Driling
coring
Trephination
piercing
Bores
Borings
Log
Perforated
inclinometer
Drillings
borers
cores
punched
Boreholing
filling
digger
drilling hole
drill holes
perforating
bore a hole
drilling a hole
drill a hole
Piezo
boring fixture
alloy sputtering
auger boring
drilling holes
drill process
bore hole
bore out
AlSi7Cu2Mg
drill-hole
burr-hole
digging
Entrance-hole
bouche
bore hole geometry log
gas extraction borehole
drill hole strata
corehole
drill hang-off
hydrogeological exploration
bordway
drilling bore
BH
drilled hole