Şunu aradınız:: mains are disconnected (İngilizce - Japonca)

hey, did you guys know your phones are disconnected?
君たちの電話が つながらないことを知ってたか？

all the power mains are in the storage room.
電源類は倉庫に集約してる

these letters, in the main, are from my mother.
これらの手紙は主として母から来たものだ。