The ageing process and regularity of the asphalt coating have been studied with indoor artificial accelerated ageing test.
为此，采用室内人工加速试验方法，研究了石油沥青涂层的老化过程和规律。
The photo-oxidation ageing process of polypropylene filaments was studied by artificial accelerated ageing test using different intensities of UV irradiation.
以聚丙烯长丝为对象，采用不同紫外线辐射强度的人工加速老化试验对其光氧老化过程进行研究。
The photo-oxidation ageing process of polypropylene filaments was studied by artificial accelerated ageing test using different intensities of UV irradiation.
以聚丙烯长丝为对象，采用不同紫外线辐射强度的人工加速老化试验对其光氧老化过程进行研究。
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