HG/T 20592  法兰 PJ/RJ 1(B)-10 RFj16M12h160/64-1

5 RF 1750-2.520δ0=144rfrf6/56 rf4- rj1B)-10RFj16M12h160/64-1

PL200-16RF RFh40/5 WN400-600RJ&@47021 RF10

SO 40-25 RF， S316(/10RFh40S ff0

WN20(B)-16 M S=64501TS B=804 C=22 d= K8016 RF S05rum.hFRF00RF0l/ffc309 spl30-

wn100-150 rf b=92.04

WN25-300RF S