本文对试点建筑的采暖系统管道费用、阀门费用及总费用进行了分析，得出了各种系统形式费用变化情况，以供有关部门参考。
The article analyses the pipe cost, valve cost and all cost of the heating system, and gets the change condition of the different system costs as the reference for some department.
本文对试点建筑的采暖系统管道费用、阀门费用及总费用进行了分析，得出了各种系统形式费用变化情况，以供有关部门参考。
The article analyses the pipe cost, valve cost and all cost of the heating system, and gets the change condition of the different system costs as the reference for some department.
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