HG/T 20592  法兰 WN 700(B)-10 FF S=12 S=7.62521633-rf@40@S5"-300 RF Sch140j@5c2@RF@4

WN 700(B)-10 FF S=12 S=7.62521633-rf@40@S5"-300 RF Sch140j@5c2@RF@4

BL100-16 RF S=6.4 b=mpa50h80/m5(B)-1MbS700000

法兰 WN80-40RFh40h4

SO 150-150 RF

23 FM900-2.5/6 RFSCH8�пF@.50590..RF

WN80B-63RJ6RFtS=4mm40 RFF700-0.pam

WN 200-150 RF SCH20

W