... 二次供水设施改造refitting for second9ry water supply facilities 传统结构structure of traditional architecture 榫卯结合mortise and tenon connection ...
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Steel structure building after the use of maintenance cost lower than traditional architecture.
钢结构建筑使用后维护的成本也比传统建筑更低。
Influenced by wood structure architecture, the structures of Chinese and Japanese traditional furniture are mainly of mortise and tenon joints.
受传统木结构建筑的影响，中日两国传统家具都以榫卯结构为主要接合方式。
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