There is a steam heating system (air conditioning system ) in the work-shop.
There is a steam heating system (air conditioning system ) in the work-shop.
这车间里装有一个蒸汽加热系统（空气调节系统）。
There is a steam heating system (air conditioning system ) in the work-shop.
这车间里装有一个蒸汽加热系统（空气调节系统）。