polyethylene foam insulation
... polyethylene foam 聚乙烯泡沫体(低密度的聚乙烯泡沫体) polyethylene foam insulation 聚乙烯泡沫绝缘 polyethylene high-voltage insulation 聚乙烯高压绝缘 ...
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聚苯乙烯泡沫塑料绝缘 styrofoam insulation
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