NB/T 47022  法兰 G 650-1.0u00eF ScBL0

2 G 650-1.0/u00eF ScBL0

SO 500-150 RF.725ch80A)FF1F0

wn15-300 rf/ rf sc

2 CFM 700-1.020ذ‍ز™

BL 20-300 G80S=

B BL32"-150 RF�data5S RC@FF-.30F Sch40Sp@A BL0 RF Scs�1.0� RFF0H�

法兰 wn80-300 g s=7.62

WN50-25RFร ย

WN 100