A.CCl4+H2O B.HBF4+H2O C.HCl+HF D.CClF8+H2O
A.HPAM+K2CrO7+NaHSO8 B.HPAN+CH2O C.HPAN+CH8CH2O D.HPAN+HOCH2CH2OH
A.水溶性聚合物 B.活性剂 C.潜在酸 D.甲醛