The breaking and milling tool is a special tool used which is used to cut and mill a section of casing in hole so that sidetrack drilling operation can be done smoothly.

断铣工具是用来割断并磨铣井内一段套管以能够进行侧钻作业的专用工具。

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The simple tool used for cutter to break nill and grinding the breaking nill handle in front of the cutter is introduced.

介绍了为保证车刀良好断屑，研磨车刀前面断屑槽的简易工具。

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In this section of the course, we will be studying how to use the basic components of literature as a tool for breaking down complex text.

这这部分课程中，我们将会学习如何利用基础文学元素来分析复杂的文章。

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Those living in flood-prone areas might want to consider carrying a small hammer or specific car window-breaking tool in the glove compartment for this purpose.

FORBES: What To Do If Your Car Is Flooded Or Becomes Submerged