イオン交換 こうかん樹脂 じゅしでしょう
ionkōkanjushideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of イオン交換樹脂

1. Ion exchange resin, probably.; It will likely be an ion exchange resin.

Polite
Presumptive
Conjecture