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如果懂科学的话,知道什么是可燃气体爆炸极限比例,和静电生成过程,就不会做这个害人害己的事。
less_is_more
(人狠话也多)
(#11740625@0)
Last Updated: 2018-10-12
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给小绿胖煤气罐充煤气
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