Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.
早期的电力工人将它用作涂料，隔离缠绕在一起的线圈，还将注满
的纸一
地压
单独的绝缘物。
树脂)浸渍木,浸脂材Early electrical workers used it as a coating to insulate coils, and molded it into stand-alone insulators by pressing together layers of shellac-impreg-nated paper.
早期的电力工人将它用作涂料，隔离缠绕在一起的线圈，还将注满的纸一地压单独的绝缘物。
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