By this fire, the government retrofitted the old building which was in danger.

借这次火灾，政府改造了这栋岌岌可危的老楼。

The retrofit of the entire system is expected to take two hours.

整个系统的升级改造预计花费2个小时。

This machine need to be retrofitted immediately.

这台机器需要立即进行部件更新。

A retrofit may involve putting in new door jambs.

房子翻新可能需安装一些新的门框。

Difficult to retrofit.

难以重构。

We can do the numbers on what the retrofit costs.

我们可以计算一下改装成本。

In California we retrofit all of the masonry building.

在加州，我们已经翻新了所有的砖石结构房屋。

To retrofit an established mold would be almost impossible.

加装一个既定的模具就几乎是不可能的。