Their application in switch electrical contact and electrical brush shows that the properties and service life of these composite were improved apparently by adding carbon fiber.
结果表明，碳纤维的加入明显改善了复合材料的性能，其使用寿命大幅度提高。
Their application in switch electrical contact and electrical brush shows that the properties and service life of these composite were improved apparently by adding carbon fiber.
结果表明，碳纤维的加入明显改善了复合材料的性能，其使用寿命大幅度提高。
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