It has become an invaluable tool for spreading breaking news and played a major role in the recent uprisings in the Middle East.

它已经成为突发新闻传播过程中无可替代的工具，同时，还在近期的中东动乱中扮演了重要的角色。

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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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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