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单词 θ77919
释义
the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > distribution system > [adjective] > insulated (1)
pre-impregnated1933

Of a material: impregnated with a substance prior to further processing or use; spec. (a) (of paper insulation) impregnated with oil and resin…

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更新时间:2024/12/23 8:59:11