在国内地铁站入口处的X射线安检仪，许多乘坐地铁的乘客再熟悉不过了。逢包必检已成为大家日常乘坐地铁时牢记的一个常识。最近，深圳、上海、北京等多个城市地铁站X射线安检仪相继被媒体曝出没有办理辐射安全许可证，引 ... 地铁安检仪辐射危害引公众恐慌 专家建议严格管理
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