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单词 insulator
释义 insulator/ˈinsjʊleitə/n. 1 a thing or substance used for insulation against electricity, heat, or sound 绝缘物();绝热体;隔音物 2 an insulating device to support telegraph wires etc. 绝缘子 3 a device preventing contact between electrical conductors 绝缘装置
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