发布时间:2025-02-07 22:57:51
一般1-2小时就会热了,温度调到20度左右即可。燃气壁挂炉是按照高温供水,低温回水的大温差(20℃)小流量的工况设计的,标准工况一般为供水80℃,回水60℃。
关于板的面筋和底筋板筋的图纸上有面筋图和底筋图请问底筋和面筋怎么在广联达里识别
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