搜索 - 科创

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CHAMPIONHOME 发表于 2014-3-29 18:42 机械方面的好像不难，不知道你那罐子用什么做的。怎要达到密封条件？谢谢指点罐子用用160的PE管外加两个堵帽组成，车了止口外加橡皮筋来实...

samhrc 发表于 2014-7-7 01:01 硝酸铵受潮时候结成石头.......一编织袋会整个变成大石头一样。刚毕业那会儿进化工厂工作，看见工人根本就 ...不是有个传说有人用咋药粉碎一...

引用第11楼game00over于2012-05-28 20:50发表的回 10楼(sunlighta) 的帖子 :可乐加曼妥思？貌似这以及被证实是谣言，用可乐当推进液，太浪费了吧是不是谣言你看视...

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