发布时间:2025-01-30 18:37:59
可硬用少量的强水来腐蚀,强水比硫酸跟快速的夺取塑料中的氧原子。只剩下的就是碳元素。那不就变黑了嘛,另外,你要是还想简单点,就直接用蜡烛或者是火柴之类的烧,那个就快。蛋要注意安全哈
房子装修不知道回头是用移动还是联通的网络要预留2根光纤在弱电箱吗
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