偏心异径管 DN 350×300-3RE0B-=1602037

DN 300×350-3 RE0B-=1602037

PL40-10RF AA=48 L= n= C=16

pl80(b)-16 rf b=4rfS rj sch80 s=

WN32(B)-63 T HG/T20592

PL15A)-6RF

WN 40(B)-16 RFRFRF Sch40‰-0S=6

wn150b-25rfs=5.1Ãch40f300-0.ich40540- s=14

so250-40t1c=2

BL50-63RF6 F

PL300-40M6/45-114-mp-10