放射 ほうしゃ せん発生 はっせい装置 そうちでしょう
hōshasenhasseisōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 放射線発生装置

1. Probably a radiation-generating device.

Polite
Presumptive
Conjecture