阐述了未添加抗老化剂的聚丙烯编织袋的老化原因及现象。
This article describes the aging reasons and phenomena of polypropylene woven sack without adding anti-aging agent.
对于台湾乳白蚁，经5%涂刷处理和10%涂刷处理或浸泡处理的木块，未老化或老化处理，完好值均可达到90；
The intactness index of wood treated in 5% by painting or 10% agent by either painting or dipping, with or without ageing, remained above 90.
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