The transition can be achieved by a combined effect of the broken mirror symmetry and bond formation between the flattened faces in the squashed nanotubes.

这种转变在两种因素的共同作用下得以发生，即外加压力造成碳纳米管镜像对称破缺，以及被压碳纳米管两侧原子发生成键相互作用。

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XW-5 HRC60, Tungsten carbide HRC93Merit: The ultra precise processing, the contour smooth transition, in Kong R the angle mirror surface grinds.

性能：两种材质 进口XW-5材料 硬度HRC60以上，硬质合金HRC93以上优点：超精密加工，外形圆滑过渡，内孔及R角镜面研磨。

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