formaldehyde

甲醛(formaldehyde)甲醛,又称蚁醛,化学式hcho,无色气体,有特殊的刺激

第一步

处理尸体用防腐液误输体内 俄女病人极度痛苦下死去

除甲醛这东西好用吗

日常办公室除甲醛神器

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