NB/T 47065.1  支座 A 400 RFRF

4 A400 RFRF

wn50-300rf d=165C5-R@00

WN 25-1500 RJ B

1 RF 1300-0.25 δs=6

DN20/PN40/11B

WN50(A)-25 RF

WN80-150 RF4�

WN25(B)-16 RF S=5S

SO 15(B)-10 RF

WN 500-150 RF Sch8080F B=139.76B Sch40 RFx4520��@RF@4�FF ScF&@��@R RJ5 Sch40@2Fdata5 RF