saponified acetate rayon的意思|示意

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皂化醋酯丝

皂化醋酯丝 ... Santana 桑塔纳牌汽车 saponified acetate rayon 皂化醋酯丝 sapphire 青玉 ...

皂化醋纤嫘萦 ... saponified acetate process皂化醋纤法 saponified acetate rayon皂化醋纤嫘萦 saponified poly皂化聚醋酸乙烯 ...