发布时间:2025-01-21 01:55:54
800*800=0.64个平方 34/0.64=53.125块 加损耗 34平的56块就可以了
我家的地暖楼层两个主阀已开进水口热出水口不热地板只有临近户内阀门的小范围热是怎么回事
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