![Review—Period Two](/images/new-backgrounds/44207/44207135x1.webp)
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Review—Period Two
axial
centrifugal
g NM
_t— x” qprz
Review—Period Three
▲“Riding the fan curve”
▲Discharge dampers
▲Inlet vanes
▲
▲
g NN
_t2 x”r“
“riding the fan curve,” discharge dampers, inlet vanes, variable
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