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class="met_time">更新时间 {dede:field.senddate function="MyDate('Y-m-d2021-07-02 11:53class="met_Clicks"><script src="{dede:field name='phpurl'/}/count.php?view=y/plus'/}&mid={dede:field name322vascr1t"></script></span></span> </div> <div class="met_editor"> <div class="nyabout"> {dede:field.body/} </div> <div cla<strong>摘要：</strong>那么，<a href="">风机盘管</a>两管制和四管制，该怎么选择？国家有着一些相关的指导文件。 <hr /> <p style="text-align: center;"> <img alt="风机盘管两管制和四管制，该怎么选择？" src="/uploads/allimg/news/faq/faq57_1.jpg" /></p> <p> 前面有一篇文章介绍了《<a href="/news/faq56.html">风机盘管二管制和四管制是什么意思？有啥优缺点？</a>》。那么，风机盘管两管制和四管制，该怎么选择？<br /> 对此，国家有着一些相关的指导文件：<br /> 选择两管制的标准：《采暖通风与空气调节设计规范》（GB 50019-2003）指出：“全年运行的空气调节系统，仅要求按季节进行供冷与供热转换时，应采用两管制水系统”。我国高层建筑特别是高层旅馆建筑大量建设的实践表明，从我国的国情出发，两管制系统能满足绝大部分旅馆的空调要求，同时也是多层或高层民用建筑广泛采用的空调水系统方式。<br /> 选择四管制的标准：《公共建筑节能设计标准》（GB 50189—2005）规定：全年运行过程中，供冷和供热工况频繁交替转换或需同时使用的空气调节系统，宜采用四管制水系统。因此，它较适合于内区较大，或建筑空调使用标准较高且投资允许的建筑中。</p> iv> </div> <div class="met_tools"> <ul class="met_page"> <li 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