控制工程造价，充分发挥钢结构建筑技术经济上的综合优势，工程设计阶段是关键阶段。
The control engineering construction cost, develops in the steel structure building technology economy the comprehensive superiority, the engineering design stage is the critical phase fully.
控制工程造价，充分发挥钢结构建筑技术经济上的综合优势，工程设计阶段是关键阶段。
The control engineering construction cost, develops in the steel structure building technology economy the comprehensive superiority, the engineering design stage is the critical phase fully.
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