纤维的加入一般增加了拉伸强度，却降低了冲击强度，而且在含量不太高的情况下，含聚丙稀腈碳纤维材料的强度优于含沥青纤维的材料。
When the fibers were added, in general, the tensile strength increases, but the impact strength decreases, and when the content is not too high, the strength of the material AD...
纤维的加入一般增加了拉伸强度，却降低了冲击强度，而且在含量不太高的情况下，含聚丙稀腈碳纤维材料的强度优于含沥青纤维的材料。
When the fibers were added, in general, the tensile strength increases, but the impact strength decreases, and when the content is not too high, the strength of the material AD...
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