超大面积聚酯混合过滤器，超长寿命，保障持续工作过滤效果。
Large area of polyester mixed filter, long life, security work continuously filtering effect.
对此采用一套以弹性有限元分析为基础的方法，对大面积混凝土梁板结构温度应力进行分析，可为超大建筑物的设计提供依据。
Adopting elastic finite element analysis method to analyze temperature stress in large area concrete beam-slab structure may provide basis for extra huge building design.
对此采用一套以弹性有限元分析为基础的方法，对大面积混凝土梁板结构温度应力进行分析，可为超大建筑物的设计提供依据。
Adopting elastic finite element analysis method to analyze temperature stress in large area concrete beam-slab structure may provide basis for ex.
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