Using out-jacketing structure for storey-adding has become one of the most concerned topics in the circles of civil engineering.
既有房屋的套建增层改造已成为土木工程界关注的一个热点问题。
Using out-jacketing structure for storey-adding has become one of the most concerned topics in the circles of civil engineering.
既有房屋的套建增层改造已成为土木工程界关注的一个热点问题。
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