A.局部排风罩
B.风管
C.除尘器
D.排风窗

A.6m
B.15m
C.25m
D.20m

A.余压为负，该窗孔排风
B.余压为正，该窗孔进风
C.室内某一点的压力和室外同标高未受建筑或其他物体扰动的空气压力之和为该点的余压
D.中和面以上的窗孔余压为正，中和面以下窗孔余压为负

A.97％
B.79％
C.77％
D.70％

A.42t／h
B.140t／h
C.72t／h
D.100t／h

A.44t／h
B.24t／h
C.34t／h
D.14t／h

A.28kPa
B.25kPa
C.22kPa
D.20kPa

A.52.7W／㎡
A.65.5W／㎡
C.78.5W／㎡
D.122.4W／㎡

A.3000kg／h
B.2960kg／h
C.2703kg／h
D.2300kg／h

A.0.8
B.1.4
C.1.2
D.1.8

A.8.9m／s
B.13.9m／s
C.12.5m／s
D.20.9m／s