So it indicates that aluminum sulfate coagulation is one of the effective methods for the tertiarytreatment.
则硫酸铝混凝是一种有效的深度处理方法。
2
Article 3 Workers who have been afflicted with secondary or tertiary silicosis and who have left their posts for rest and treatment, may retire of their own will.
第三条患二、三期矽肺病离职休养的工人，如果本人自愿，也可以退休。
3
Methods: we have reviewed the role of lamivudine monotherapy in the treatment of chronic HBV in a single tertiary referral liver centre over a 9-year period.