The market sales of PS version developering is pheaodactylum, that is, when you just need to use the radiopaque solution and dilute with water to a certain percentage to use.

• 阛阓上采购的PS版显影液众为不不浓缩液，即搁置时只需不兵显影原液与火以必定比例不浓缩后即可搁置。