NB/T 47065.1  支座 BⅡ 28991

BII 28991

2 A5835

WN 200(B)-63 M S=10

WN 50-150 RF7025

SP-10919

PL500-10RF GB/T9119-2010

WN 8"-300 RF Sch200

PL 150(B)-40 RF82.400-1.6/34-95

3 FM 900-1.6 δ0=6

1 M 350-1/H1r RF53500 RF00-1.6 H=12/50-25 fm50(B)-2rf00 rH5RF/rf12 RJ B=2pampampampam