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在下面的显微照片，您可以看到清楚的结构。
You can see the structures clearly in the photomicrograph below.
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俯视显微照片显示了刀具的切削刃和前刀面。
The top view micrographs show the cutting edge and the rake face of the tools.
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俯视显微照片显示了刀具的切削刃和前刀面。
The top view micrographs show the cutting edge and the rake face of the tools.
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