HG/T 20592  法兰盖 BL 150-16 RFScFM0 rf/t

BL 150-16 RFScFM0 rf/t

bl32-16rf FFF0mRF S=6=4 S1=40=16 δ1=2 K=7680/

47023 m800-1.6 п═б╟п═р╧п═я·п═р╞п

wn 250-300 rf sch40sF)F

A WN 36"-150 RF5 RFii.t

SO20()-16 RFRF630RF rSFpampa

wn150(b)-100 fm80.00 н╢RF0Sa=L0 rjh