偏心异径管 DN 80×65-9REF B=21Fn/

DN 80×65-9 REF B=21Fn/

so80B)-25 RF7rf s= rf-FF Ga/

sh/@A BL1000-150 RF

WN80(B)-63 RF S=5.6M60S.5FRF

pl 200(B)-6 rfδ=853.500dR

PL125(B)-6 RF D=230 C=

PL 50(B)-10 FF050(b)-脦麓1=10�/

bⅠ500-s/@

pl600-6rf/l65(/50-125J40 RF H1=8 S=1.

WN100-150RF