NB/T 47022  法兰 G 350-1.6/20δ1=10

BL 400-16 RF Sch400 rf95RF3Г2rF

2 G 350-1.620δ1=10

DN40-PN16 SW RF�10S

PL65(B)-16 RF80m5M…Â

SO150(B)-25 RF3R2

WN 2"-1500 RF Sch40S=4.056h40 h=14

bl15(a)-10rfbfm05=30-0.655r80XSta/cF

A WN 48"-300 RF;eqid=80ebfc4e000393e30000

so