法兰 PL 40(B)-16 RF b=4 a

pl40(b)-16rf b=4 a

WN25-16 RF47-260-

WN20-150 RF S=5@47021 c-rf10-160 M S=S=10

hb/@BI1000

4 B7 DN=3600 δn=10 h=837 Dr=1210

PL300-16FM wn500-

bi406-s S=10

WN250A-40RF0RJ TB)6/9

&ampampampampampamp;amp;amp;ampquot;hg20615 wn400-600rj"

WN20-15