New commercial and residential construction is cold, but green building retrofitting is hot.
新的商业建筑和住宅建筑市场是惨淡的，但是绿色建筑改造市场是非常火热的。
After retrofitting, the whole process of unit start-up becomes safe, stable and fast.
大修后机组整个启动过程安全、平稳、速度快。
After retrofitting, the whole process of unit start-up becomes safe, stable and fast.
大修后机组整个启动过程安全、平稳、速度快。
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