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Cleaning sponge for household cleaning purposes consists of small pieces of melamine resin foam which had been previously used as insulation material against sound, heat and cold
Cleaning sponge for household cleaning purposes consists of small pieces of melamine resin foam which had been previously used as insulation material against sound, heat and cold
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机译：用于家庭清洁的清洁海绵由小块的三聚氰胺树脂泡沫组成，该泡沫以前曾用作隔音，隔热和防寒的材料
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摘要
Cleaning sponge consists of small pieces of melamine resin foam which had been previously used as insulation material against sound, heat and cold.
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