GB/T 29465  法兰 C-G 2850-1.0/20δ0=805 S=1=60=16RF2

5 CG 2850-1.020δ0=805 S=1=60=16RF2

so 25(B)-16 RF S=at/fjmx-03.5RJ-Rmpamu02-163/RF S=8F不50/ff k=200 c=2

WN450(B)-16 RF S=12-163/RF S=8F不50/ff k=200 c=2

WN600-150 RF D=985b=3rf/100001BB=f Sch80SFSch40=05Ru00eRF1FM S=8RF5-680 H

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