A
A1
B
B1
C
C1
180°
90°
0°
180°
90°
0°
M
M
M
N
N
N
4.2S
440
500
240
300
440
520
665
653
700
612
620
650
YDW4.2S
Q:700-8200m
3
/h
P:721-670Pa
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