A
A1
B
B1
C
C1
180°
90°
0°
180°
90°
0°
M
M
M
N
N
N
2.5S
290
340
155
205
290
370
420
405
450
390
405
400
YDW2.5S
Q:1600-2200m
3
/h
P:220-205Pa
[1]
[2]
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