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近年来,我单位承建了一些轧钢厂房改造工程,新建轧机等设备基础往往需穿过山墙延伸到厂房外,同时还需保护山墙,这就必须在山墙开设洞口后,方可进行设备基础的施工。技改工程工期一般比较
In recent years, our company has undertaken the construction of some steel rolling plant renovation projects. The equipment foundations such as new rolling mills often need to extend through the gables to the outside of the factory buildings, and also need to protect the gables. This requires the opening of the gables before the equipment foundation can be constructed. . Technical renovation project period comparison