钻头钻

例句

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1.

The king of the oilfield is the driller. he is a very skilled man . Sometimes he sends is drill more than a mile into the earth.

油田的主角是钻井工。他们是熟练技术工人。有时他得把钻头钻入地下一英里深。

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2.

Investigations on the Transverse Micro-Drill Deflection of the Drill Point at the Entrance in Low Frequency Vibration Drilling

低频振动钻削时微小钻头钻入横向偏移的研究

3.

The Research on Measurement of Micro-drill Core Dimensions

微型钻头钻芯尺寸测量的研究

4.

Test research of drilling force for XYZ series rock bit

XYZ 系列岩石钻头钻削力试验研究

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5.

Research on Cutting Performances of Three Kinds of Coated Drills during Drilling Stainless Steel

三种涂层钻头钻削不锈钢的切削性能研究

6.

use of stabilizers of bit and string

钻头钻拄扶正器的使用

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