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1·Brick is a brittle material.

砖是脆性材料。

2·It is a hard and brittle material.

这是一种硬而脆的材料。

3·This is normal as a result of the brittle material.

这是作为脆性材料的结果正常。

4·Nails Nails are made of a brittle material called keratin.

指甲指甲由称为角质的硬脆物质组成。

5·Applicable to various brittle material crushing of minerals.

适用于破碎各种脆性材料的矿物。

6·The man made diamond film is a kind of high brittle material.

人造金刚石膜是一种新材料。

7·Use:Hammer type beaker use in each kind of brittle material mineral.

用处：操纵于破裂各类脆性材料的矿物。

8·The mechanism of ductile machining for brittle material is described.

论述了脆性材料延性加工机理。

9·The way of cutting hard brittle material in a plastic state is classified.

对塑性状态下切削硬脆材料的方法进行了归纳和分类。

10·Hard machinability of hard-brittle material is crucial for its application.

超硬脆材料的难加工性制约了其推广应用。