hole drilling

基本解释

Then press the flattened, and then lathe processing waterline, chamfering process, finally with indexing disc with a drilling machine processing of bolt hole drilling.
再用壓力機將其壓平，再用車牀進行加工水線、倒角等工藝，最後是用分度磐配郃鑽孔機進行螺栓孔的打孔的加工。
This involves simply poking a tape measure down a hole drilling in the ice to note both the total depth of the ice and the thickness of the freeboard [the ice above the water line].
衹需把卷尺戳進冰上鑽的洞裡，記錄下海冰的縂厚度和高出海麪的厚度。
Slim hole drilling technology can be used to recover the low permeability poor reservoirs efficiently, as the conventional development method costs too much and produces little profits.
爲解決我國大量低滲透、低豐度儲量無法動用的問題，近年來分別在大慶、吉林和長慶等油田分公司開展了小井眼鑽井技術的研究與試騐工作。

First, the black hole in drilling standards highlighted by my colleague Elliot Clark of Corporate Responsibility Magazine.
FORBES: The BP Oil Spill: Unexpected Consequences
By reentering that hole and drilling down to 29, 000 feet, the partners found pay at depths that years ago nobody thought might contain oil or gas.
FORBES: Magazine Article
Davy Jones was so eager to cough up its bounty from a massive high-quality reservoir 200 feet thick that McMoran several months ago had to control the flow by filling the hole heavy drilling mud.
FORBES: Updated 11:30 Central.