冬季儿童呼吸道疾病多发，其中流感病毒是常见的病原体之一。如何区分流感和普通感冒？流感典型症状有哪些，一般病程多长？哪些儿童发生重症的风险较高？今天，我们就家长朋友们最关心的问题，进行解答。流感有哪些典
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中国消费者报北京讯记者孙蔚）近日，商务部发布了《关于城市一刻钟便民生活圈第四批全国试点、首批全域推进先行区试点评审结果的公示》，确定15个地区作为城市一刻钟便民生活圈首批全域推进先行区试点。“一刻钟便
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铝银浆的技术分类本质上是表面化学与物理分布的协同结果。在制造环节，非浮型铝浆通过油酸包覆实现铝片的亲水性排列，使其在漆膜干燥后均匀分布于中下层空间，形成均匀的哑光金属质感。漂浮型铝浆则采用硬脂酸进行疏
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