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					工作性能Technical performance
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					FUB
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					补偿长度compensation
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					±90mm
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					工作压力Working pressure
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					≤4500pa
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					温度范围Temperature range
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					-40℃-300℃
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					安装长度Installation length
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					300-450mm
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					拉伸长度变化率Variation rate of extension
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					≤15%
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					两端支架间距支架之和Distance between fixed brackets on the both ends
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					≤15m
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					两端滑动支架间距Distance between flexible brackets on the both ends
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					2-4m
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					胶料性能Performance of rubber
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					拉伸强度Tensile strength
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					≥12Mpa
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					扯断长率Elongation at failure
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					≥300%
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					扯断变形Permanent set at break
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					≤25%
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					硬度Rigidity
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					58±3°
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| 热空气考化Aging in the heated air 
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					72℃×72h
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| 拉断伸长变化率Change in elongation at break 
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					≥20%
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