增层 meaning in Chinese

layering

Optimization design of foundation in the adding story and reconstruction project
房屋增层改造的基础优化设计
Thinking of increasing floors , rebuild and design for the old teaching buildings
旧教学楼增层改建和设计的构思
Problems concerning strengthening , the additional storeys and renovation of old brick buildings
增层改造的几个问题
So it is very necessary to research the best structure for storey in a building
因此，研究房屋的增层设计方案是非常必要的。
Storey - adding house restoration based on the structure of attic - styled ancient tower of china
根据楼阁式古塔结构原理的房屋增层改造方法

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