For high speed cutting machine tools, the main bearing is the ideal air bearings and magnetic bearings.

对于超高速切削机床来说，比较理想的主轴承是空气轴承和磁力轴承。

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Lisa: machining Center is a machine with several functions. It's like a human, using different cutting tools to perform different machining operations on a workpiece.

丽莎：加工中心是多功能机床。它就像一个人，使用不同的刀具在工件上执行不同的加工操作。

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Abstract: : TBM(Tunnel Boring Machine) Cutting Tools Configuration is one of the most important factor during TBM cutting tool design.

摘罗要：盾构机刀具配置是盾构机刀具设计中是非常重要的内容。

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Two years ago, Adrian Allen, group sales director of Technicut, which makes precision-cutting machine tools, decided to try to sell some machines to Boeing.

ECONOMIST: Boeing leaves Seattle and moves to Sheffield��well, sort of