But chemical moments mordants such as alen alum are popular today.但是像明矾这样的化学染剂现今很流向.But chemical mordents mordants such as allon alum are popular today.但是化学腐蚀剂例如明矾现在很流行.Conclusion: Alum and dried alum have significant ba...
Alum will settle turbid water.明矾可以澄清浊水.Add the alum slowly to the cup of hot water.给这杯热水添加缓慢的明矾.But chemical mordents mordants such as allon alum are popular today.但是化学腐蚀剂例如明矾现在很流行....