我看到他测量，但它是一种超硬枪杀。
超硬脆材料的难加工性制约了其推广应用。
Hard machinability of hard-brittle material is crucial for its application.
密封面材料：结构陶瓷或超硬表面合金材料二种。
Seal the surface material: Structure pottery or exceeding two kinds alloy materials of hard surface.
同时，它也给超硬材料产业提供了一个新的应用领域。
At the same time, it also provides a new application area for ultra-hard material industry.
于是对超硬磨料金刚石砂轮修整技术的研究成为必要。
So it's necessary to research the truing and dressing method of the grinding wheel.
特别是在微孔加工和不导电的超硬材料加工方面更显示出其优越性。
However, it is found that it is difficult to get the dimensions machined be maintained.
特别是在微孔加工和不导电的超硬材料加工方面更显示出其优越性。
However, it is found that it is difficult to get the dimensions machined be maintained.
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