NB/T 47021  法兰 RF 300-1.6/11H80fRF B=j00/data/src/public/public/common/qq.png

3 fm2600-1.650(b)=16150/0Sb=s=1rf S=44 c=15S=022c-2060-B)-16 M2)-1F60R47023 FM 1100/t

WN 25(B)-16 RF S=3

SW100-150 RFRF=3= WN100-900 RFRF04-2h

WN 125-300 RF S=5

LWN25-300RF SCH40=20

PL 500(A)-25 RF

WN25(B)-25 RF

3 M 300-4.0 п©б╘п╠Б∙≤п�