Some of the hardest tool materials lack strength because they are too brittle.
有些最硬的刀具材料由于太脆而缺乏强度。
The performance characteristics of several new cutting tool materials are reviewed.
这里主要介绍几种新型刀具材料的性能特点。
Various cutting tool materials begin to lose their hardness at different temperatures.
不同的切削刀具材料在不同的温度点开始软化。
Various cutting tool materials begin to lose their hardness at different temperatures.
不同的切削刀具材料在不同的温度点开始软化。
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