闲置

That's been knocking about the house for years.

那东西在房子里已经闲置几年了。

Idle houses deteriorate.

闲置房子会渗漏衰败。

The redistillation apparatus was made by the renovation of obsolete equipments, which was helpful for increasing the utilization rate of dormant assets.

复馏装置旧设备改造而成，有于提高闲置资产率。