NB/T 47065.1  支座 BⅠ 2731/6�16/13090f3F50

BI2731/6�16/13090f3F50

WN 150-150 RF�I���F S�J

法兰WN80(B)-40FM S=6

PL40-6RF0 RF B=54 ذ±â�

WN 15(B)-40 M S=Sch.40

BL500-1500RF/RF4)-16M�

WN 150-300 RF Sch4022 K=1905 fampam

5 M 1200-4.0 δ0=30

wn125b-16rf

WN250-150RF SCH40SRF¿�