Jeremijenko is experimenting with retrofits of a building's upper two stories.
杰里米金科正尝试在建筑最顶端的两层里配备新装置。
Retrofits can also bring older equipment into compliance with changing federal and state safety regulations.
改造也可以使之与不断变化的联邦和各州的安全法规旧设备。
Retrofits can also bring older equipment into compliance with changing federal and state safety regulations.
改造也可以使之与不断变化的联邦和各州的安全法规旧设备。
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