对国产汽车所用210种涂层试样进行了湿热带大气环境自然曝晒试验及人工加速老化试验。
Natural exposing tests in humid tropics atmosphere environment and accelerated ageing tests for 210 coat test samples of domestic automotives are carried out.
采用日光曝晒法，对不同牌号的乙纶单丝和锦纶6单丝的耐老化性能进行了对比试验。
A contrast test on ageing-resisting property of the polyethylene monofilamentand polyamide-6 with different brand was carried out by means of expos1ng to the sun.
采用日光曝晒法，对不同牌号的乙纶单丝和锦纶6单丝的耐老化性能进行了对比试验。
A contrast test on ageing-resisting property of the polyethylene monofilamentand polyamide-6 with different brand was carried out by means of expos1ng to the sun.
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