发布时间:2025-01-24 09:38:44
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。
几寸的行李箱可以带上飞机不用托运 行李箱带上飞机要开箱检查吗
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