Based on the stress analysis for cutter damage with elastomechanics theory, measures for improving cutter life are proposed.

在应用弹性理论对刀具破损进行应力分析的基础上，指出提高刀具寿命的措施。

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Due to the influence of the high in-situ stress and rock bursts, the abnormal cutter failure is too much. Thus, the predicted results for cutter life are not good.

由于高地应力作用与岩爆的影响，刀具的异常破坏过多，刀具的磨损预测不是很理想。

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Nobody makes a cutter with longer life than Robbins.

没有人做的刀具寿命比罗宾斯的长。

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At the christening, Michelle was also very relieved that the bottle actually broke. (Laughter.) And I know that she is so grateful to be part of the life of that Coast Guard cutter and its crew.

WHITEHOUSE: U.S. Coast Guard Academy Commencement

In 1915, Congress passed legislation creating the U.S. Coast Guard, combining the Life Saving Service and the Revenue Cutter Service.

CNN: Wednesday,