嗯，特地买了亚硝酸盐试纸做的对比实验，在家自己设计的“小白鼠”实验

来源: 隔夜菜吃得香于 2015-02-17 13:27:59 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.