NB/T 47065.1  支座 A 5431

2 A5431

PL100(B)-16 RF3278

BII 31159

BL 24"-300 RF Sch

wn200-16 rf hg/t26¡-S6=10

PL 300(B)-16 RF4450

WN 1"-1500 RJ Sch

2 RF 1400-1.0RE

SP-9010

47023 fm1400-4.0/1-1.0/70E16.5-16RSRF Sch50 RF91201=10 RF scF-12110 RF Sch40S-1/F S(B)-16RFF120