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许多陶瓷都是电和热的良绝缘体。
Many ceramics are good electrical and thermal insulators.
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电绝缘体包括了橡胶、塑料、陶瓷和云母。
Electrical insulators include rubber, plastic, porcelain, and mica.
youdao
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电绝缘体包括了橡胶、塑料、陶瓷和云母。
Electrical insulators include rubber, plastic, porcelain, and mica.
youdao