永久 えうきゅう磁石 じしゃく発電 はつでん でしょう
eukyūjishakuhatsudenkideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 永久磁石発電機

1. Probably a permanent magnet generator.

Polite
Presumptive
Conjecture