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1·Excellent flex fatigue resistance - excellent UV resistance the excellent definition of the sections with of the Extrudes thin.

优良的电线使抵抗疲劳-优良的紫外线抵抗用优良的定义挤出瘦的区段。

2·The influence of the level of the pretreated short fibre on tensile strength, tear strength, flex fatigue and conductivity of the acetylene black filled VMQ/EPDM blend vulcanizate was studied.

研究了预处理短纤维用量对乙炔炭黑填充甲基乙烯基硅橡胶（VMQ）／EPDM共混硫化胶拉伸、撕裂、耐屈挠疲劳和导电性能的影响。

3·People with a better knowledge of metallurgy than I have, tell me that once you start to flex a piece of brass backwards and forwards, you start to fatigue it.

懂金属学的人告诉我，当你反复弯曲一块金属的时候，它就开始疲劳了。