The types of film hole infiltration can be classified as single point source infiltration,single-line interference infiltration and multiple-line interference infiltration.

• 膜孔入渗为充分供水条件下的空间三维入渗,可分为三种类型:膜孔自由入渗、膜孔单向交汇入渗和膜孔多向交汇入渗。