NB/T 47022  法兰 RF 2400-0.6F H=2195 RF b=F FFDN=12g/

2 RF 2400-0.6F H=2195 RF b=F FFDN=12g/

1 c-fm900-1

WN 25-150 RF S=4.5B=203 R

LWN 55-150 RF Sch80SELRF3/u0020fhg/sch80 TA

pl150(b)-25 rf d=218ã¦â°â´ã

bl150(a)-63Rf S=0105385

SO125-150 RF�=35

5 RF 500-1.6 δ0=6

BL125-100 FM395�.7 H=123 b