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At the middle pressure and large air quantity,_________ is more suitable.
A.an axial flow fan
B.a radial flow blower
C.a centrifugal fan
D.an auxiliary blower
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更多 “ At the middle pressure and large air quantity,_________ is more suitable.A.an axial flow fanB.a radial flow blowerC.a centrifugal fanD.an auxiliary blower ” 相关考题
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