放射 ほうしゃ せん滅菌 めっきんでしょう
hōshasemmekkindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 放射線滅菌

1. Probably radiation sterilization.; Likely radiation sterilization.

Polite
Presumptive
Conjecture