发布时间:2025-01-31 09:38:33
我们锅炉厂的型号WNS4-1.25-Q 4吨燃气锅炉13公斤压力的水容积大概是8.5M³
比如说门洞设计值是9002100那么我是做到尺寸还是外扩15公分留下粉墙如果不留那粉完
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