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                泡沫塑料
                发布日期: 2012-07-19
                  也叫多孔塑≡料。以树脂为主要原料制成的内部具有无数微孔的塑◥料。质轻、绝热、吸音、防震、耐腐蚀。有∮软质和硬质之分。广泛用做▲绝热、隔音、包装材料及制车船壳体等。
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