Currently, 3 test methods, including the natural environmental testing, the natural accelerated testing and the laboratory accelerated testing, are used to evaluate materials durability.
目前，评价材料耐候性的试验技术主要有自然环境试验、自然环境加速试验和实验室加速试验3种方法。
Currently, 3 test methods, including the natural environmental testing, the natural accelerated testing and the laboratory accelerated testing, are used to evaluate materials durability.
目前，评价材料耐候性的试验技术主要有自然环境试验、自然环境加速试验和实验室加速试验3种方法。
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