NB/T 47065.1  支座 BⅡ 4013

BⅡ4013

WN 4"-150 RF Sch5457

WN 300-10RF-40-C=52

B WN 30"-150 RF�@4�o@

WN200-300 G=40ampampa42Sc(

WN150-2500 RF Sch40N50

PL 300(B)-16 RF597

WN 50-100 RF

WN 4"-150 RF Sch4450

3 T 1200-6.4 δ0-40 RF-16 RFF(bSCHF-RF0-1-9.6-1S=20H40RF