styrenated unsaturated polyesters 苯乙烯化不饱苯乙烯 sulfosalt unsaturated polyesters 磺酸盐不饱和聚酯 Unsaturated Polyesters Resins 不饱和聚氨酯树脂 ..
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... 填匣纱 stuffer-tube crimping 填管折绉 styrenated unsaturated polyesters 苯乙烯 styrene block copolymers ...
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