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夏天到了，不少人会用蚊香、电热蚊香液驱蚊。可您知道吗？这些驱蚊产品安不安全，其实是有国家标准严格把关的！GB/T 13917.4-2009、GB/T 13917.5-2009、GB/T 13917.6

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声波吹灰器通过将压缩空气或蒸汽转换为高强度声波，利用声波振动使积灰因疲劳效应疏松脱落，最终被气流或重力清除

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