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男子拆快递,东西炸了,许多小刺射进他的眼睛……小孩玩这种布 ...
普通玻璃通常在温度达到1000℃以上才会变成流动的液态。玻璃纤维来源于熔融玻璃,因此也具备了天然的耐火和耐高温特性。普通玻璃的局部受热不均时,会产生强大的热应力,从而炸裂,但在玻璃纤维产品中,热量能瞬间穿透整根微米级的纤维,不易产生热应力,而且纤维可 ...
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