Therefore, it is a new way for difficult-to-cut material to deep-hole finish machine by applying ultrasonic vibration machining technology to deep-hole lapping.

因此，将超声振动加工技术应用于深孔研磨加工中，为难加工材料的深孔精加工开辟了一条新的途径。

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High temperature alloy used in the aviation industry is a kind of typical difficult-to-cut material, and its surface is easily burned under grinding.

高温合金是航空工业中常用的难加工材料，磨削加工方式下极易发生烧伤。

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The spiral cutting grinder has the beneficial effects that the motor has small operational energy consumption and the cut material has uniform granularity.

其效果是电机的工作能耗小，切割后产生的物料粒度均匀。

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If there is only a small amount of rot, the dead material can be cut away.

VOA: special.2010.06.08

Cut to the chase means to stop spending so much time on details or unimportant material.

VOA: special.2010.07.25

Sometimes a busy storekeeper might try to guess how much material to cut off.

VOA: special.2011.05.15

First, ending the stalemates on the Fissile Material Cut-off Treaty and the Comprehensive Nuclear Test Ban Treaty.

BBC: In full: Brown security statement

The going for a fissile-material cut-off treaty at the log-jammed Conference on Disarmament could be harder still.

ECONOMIST: Nuclear disarmament

Print reporters sometimes waste time on stories that get spiked, file under-reported stories to meet arbitrary deadlines, or cut out interesting material to save space.

FORBES: A Crisis in Reporting?