HG/T 20615  法兰盖 BL 150-150 RF=1640 FM S=5230fb)�

BL150-150 RF=1640 FM S=5230fb)�

LWN25-300 RF Sch160

SO 12"-150 RF=3

47023 rf1500-0.6 î´=70 h=15

WN100-10Rfh4RFFM Sch.0M600-2.5/-1.6151=.F80B-63FM

WN15-1500 RF Sch80SHSch4028 b=3 aa=.5F

Wn100A-63Ms=416F03I615 R=6.5

SO 500-150 RFB)-16 R

WN25-1