They trial - produced a plastic foam for lining winter clothes and quilts.

他们试制了一种衬冬衣和被子用的泡沫塑料.

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Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 酸乙酯和正丁醇的混合溶剂.

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Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and n - butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 乙酸乙酯和正丁醇的混合溶剂.

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