因此对已有低标准房屋进行改造和加固就显得十分必要。
Low standard buildings mainly refer to masonry building, thus it is urgent to study on the method of reconstruction.
为短工提供的房屋常常不合标准。
听上去挺多，但是考虑到整个房屋有一半符合2013年的能耗标准我们觉得很值。
That sound a lot but but it's worth considering that half the house now complies with 2013 energy standards.
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