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如果不小心没夹好把放射源掉了咋办?标准答案是赶紧用手拿起来然后放到杆子前面的夹子上... 因为这样是最快的 <a href="twitter.com/biantaishabi/statu" target="_blank" rel="noopener">twitter.com/biantaishabi/statu</a><br><br>

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