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[科普知识] 说说我自大学至今12年化学之路遭遇的安全事故 |
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点评
问题是2b化学系硕士跟我在论坛扯了半天蛋!愣是坚持硫酸泼溅必须先擦再洗。艹,真担心这煞笔工作之后进工厂死翘翘啊!
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点评
管子堵了本来就得换,必须得换,一种小钻,对,目的是释放内压
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