Utilize combination drilling machine process hole department can boost productivity, use quite extensive.

利用组合钻床加工孔系不仅可以提高生产率，而且应用相当广泛。

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Therefore, it is necessary to develop a new type of 16 hole single working position combination drilling machine.

根据实际需要，研制出了16孔单工位组合钻床。

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This text introduction moderate device case body mouth face process combination drilling machine overall design and main shaft case design.

本文介绍了减速器箱体口面孔加工组合钻床总体设计及主轴箱设计。

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This is a combination of sophisticated steerable drilling technology using modern micro-seismic imaging and advanced material sciences, to create webs of minuscule cracks in shale and release abundant trapped natural gas.

FORBES: Egypt fallout -- follow Exxon and T Boone Pickens; go long natural gas and frack-baby-frack

It should stimulate a boom in construction of gas-fired plants, given the huge new supplies of shale gas unlocked by the combination of deep horizontal drilling and hydraulic fracturing, or fracking.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests