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.
再用压力机将其压平，再用车床进行加工水线、倒角等工艺，最后是用分度盘配合钻孔机进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].
只需把卷尺戳进冰上钻的洞里，记录下海冰的总厚度和高出海面的厚度。
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.
为解决我国大量低渗透、低丰度储量无法动用的问题，近年来分别在大庆、吉林和长庆等油田分公司开展了小井眼钻井技术的研究与试验工作。

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.