sam2010 发表于 2016-5-31 11:28) G/ X/ e* |, ~1 @" x! l
it depends on the capacity of the furnace." |/ }( a( W" Y" L* d( v. n6 K
a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
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谢楼上的专业解答,你说的跟cmf blower跟那个什么BTU有什么关系吗?2 @) S* I. ]* n$ R8 U2 ^