发布时间:2025-01-24 09:43:18
5年。履带式陶瓷加热片是一种热辐射性能好的氧化铅陶瓷元件作绝缘材料,该材料的使用寿命是5年。使用寿命指的是物品的使用时效。
乐扣乐扣的运动水杯杯身材质pc7不能盛开水不能晒遇高热会释放双酚a
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