这句话怎么翻译阿？急

我们修理了门卫室中的锅炉运行指示系统。
We have repaired the indicator system of boiler operation in the security room.

We fixed the boiler operation instruction system in the guard room.

We have repaired the boiler operating instruction system in the security room.

We have fixed the boiler operating instruction system of the guard room.

We have fixed the boiler operating instruction system of the guard room

正解哦

We repair the guard room of the boiler operation instruction system.