这种网络增加了非晶区内的缠结点密度，使材料的断裂伸长率和冲击强度提高；
The web also increases the entanglement density in the amorphous region and thereby has the effect of increasing breaking elongation and impact strength.
这种网络增加了非晶区内的缠结点密度，使材料的断裂伸长率和冲击强度提高；
The web also increases the entanglement density in the amorphous region and thereby has the effect of increasing breaking elongation and impact strength.
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