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    July 20

    看日食,推荐使用电焊护目镜

    日食日将近,周围人在讨论用什么东西观测比较好,我推荐使用电焊护目镜。

    我爸妈都是国企电焊工,小时候学校组织观测日食,基本上都是拿他们工作用的电焊护目镜观测,那是很专业的哦。

    其实,这几日路边已经有人在卖这种护目镜,1元一块,大概100X50的样子。比那些X光片,吐墨汁的玻璃来的方便。

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