GB/T 29465  法兰 RF 0-1.0 /data/src/public/blue/watermark.png

SW25-150 RF RF0 RFRFrf1000-1@bl RF RF=110F RF D=7

WN80-150 RF Sch80S9f400592-200

wn 80(B)-25 fm S=≥5Sc8=s=3.21HG

BL50-150 RFwf Sp

WN 25(B)-1500rf5�-

wn 50-300 RF0 rfch10S=5�1=3 Cb

WN25-25 T l=´=7 b1

BL 32(B)- 63M RF4 SF Sch80

BL400-16 RF1=1�