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。

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The structural design of a high sensitive micro hole drilling dynamometer and the working principle of the micro hole drilling force measuring system are introduced.

介绍了高灵敏度的微小孔钻削测力仪的结构设计及微小孔钻削力测量系统的工作原理。

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The deep hole drilling provides the reliable data for the deep ore-prospecting.

深孔钻进的实现，为深部地质找矿提供可靠资料。

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Useful how-to advice, such as drilling a hole in a ceramic pot without shattering it.

FORBES: Gardening

Along with others, he began drilling a 2, 000-foot hole into the ground, working three- or four-hour -- three or four days at a time without any sleep.

WHITEHOUSE: The 2011 State of the Union Address: Enhanced Version

Along with others, he began drilling a 2, 000-foot hole into the ground, working three or four hour -- three or four days at a time without any sleep.

CNN: Transcript: Obama's State of the Union speech