不规则青铜粉填充的PTFE复合材料具有较好的力学性能，但是球形铜粉填充的PTFE复合材料具有较好的耐磨损性能。
PTFE composites filled with irregular bronze powder have better mechanical properties, but PTFE composites filled with spherical copper powder have better wear resistance.
不规则青铜粉填充的PTFE复合材料具有较好的力学性能，但是球形铜粉填充的PTFE复合材料具有较好的耐磨损性能。
PTFE composites filled with irregular bronze powder have better mechanical properties, but PTFE composites filled with spherical copper powder have better wear resistance.
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