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自然循环热水供暖系统为什么可将膨胀水箱连接在供水干管上？
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自然循环热水供暖系统为什么可将膨胀水箱连接在供水干管上？
时间：2022-03-03 22:05
关键词：
1K415020城市供热管道工程施工
市政公用工程
CMS专题
自考专科
文秘
答案解析
<p> 由于系统循环作用压头小，水平供水干管的压力损失较小，膨胀水箱水位与水平供水干线的标高差，足以克服水平供水干管的压力损失，不会出现负压现象</p>
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