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GB/T4208-2...
发布时间 2025.04.01
哎，你刚买的运动手表标着IP68防水，结果戴着游个泳就进水了？商家指着说明书说符合国家标准，这到底谁在说谎？今天咱们就掰开揉碎了说说这个GB/T4208-2017，看完你就知道为什么90%的人都误解了...
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辐射力天平为何能测出...
发布时间 2025.04.01
你睡前会不会特意关掉WiFi路由器？手机放床头充电真的安全吗？去年我邻居老张查出甲状腺结节，医生随口问了句"家里微波炉用多久了"，吓得他连夜买了台辐射力天平。这玩意儿现在在宝妈圈都...
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GB/T4208-2...

辐射力天平为何能测出...