The rack can be used to work on all kinds of micro-drilling experiments such as analyzing of rock sample drillability, testing of diamond tools aging and life span.

它可在室内从事各种微钻实验，包括岩样可钻性分析、金刚石钻具时效、寿命等实验。

youdao

This paper analyses the special dynamic behavior of entering drilling of micro drill with vibration in the direction of axis and its correction function to location error of entering drilling.

分析了微小孔钻头轴向振动入钻时特殊的动力学行为及其对入钻定位误差的修正作用。

youdao

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。

youdao

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