It is not building, but, assembling the prestressed beams or prefabricated moulds, floor by floor. Fabrication does not come into the time frame.
那不是建设，而是一层一层组装预应力梁构件和预制造模块的过程。预制造的时间并没有算在建设工期内。
The locking catch block can conveniently assemble a plurality of wood floor blocks together, the assembly is convenient and simple, and the wood floor is not easy to deform after assembling.
它可以 方便地将多个木地板块组装在一起，安装方便简单，安装后，木地板 不易变形。
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