... 定位中心冲 locating centre punch 定位中心钻 start drill 定位爪 locating detent ...
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... 油孔钻头 oil hole drill; oil-hole drill 中心孔钻头 start drill 锪孔钻头 countersink drill ...
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Drill Start Holes 钻起始孔
One day, I asked my district geologist how long it would take before we could start to drill on this joint-interest project.
FORBES: When T. Boone Pickens Told Big Oil To 'Take This Job And Shove It'
It was a Republican speak-in, and their message was clear: Start the drill - offshore in Alaska, tap oil shale in Western states.
NPR: Energy A Priority As Congress Returns From Break
The small deposits found so far may not be profitable, though a rig will shortly start to drill in previously unexplored blocks to the south of the islands.
ECONOMIST: Another diplomatic victory for President Fern��ndez
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