緊急 きんきゅう炉心 ろしん冷却 れいきゃく装置 そうちでしょう
kinkyūroshinreikyakusōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 緊急炉心冷却装置

1. Probably emergency core cooling system.

Polite
Presumptive
Conjecture