NB/T 47065.1  支座 BⅠ 2760

bi 2760

WN600-600 FM Sch/.6/5h1=11

HG/T 20592-2009 SO400(B)-16 RF

WN 80(B)-63 RF

BI 5115

SP-8119

TPB-3

PL 80(B)-25 RF

SP-910R

DN 50-Sch80S TS50 RF Sch40F3htmlpam-1F115000-5SSFA1019110-456RF)RF016 RF43914RFFmpampampampampampa6 29F00B)-16 RF S=30273 b=