NB/T 47022  法兰 C-FM 2200-1.6/20δ1=66

2 CFM 2200-1.620δ1=66

WN50-100 M S=80-1-F1fs

WN20(B)-40 RFB)-6 R5F D=fs

47023M350-1.080 k=74060rf0-6 WN2

WN400(B)-16RF S=1050/data

wn 20(b)-16rf s/u00c3/u00a3/u00c2/data/src

SOP FF 5K 200A150 RF60RFCRJ. RF55 AA=RF5.0

WN 100-600 RF S=8M BB=591.

WN40