NB/T 47065.1  支座 BⅠ 100B=142 b=400RJ40

nb/@bi 100B=142 b=400RJ40

hg/t20592 so200(b)-16rf

BL 2"-150 RF

PL 25(B)-16 RF

WN 200-300 RF Sch40

WN 100-300 RF Sch40

PL 100(B)-25 RF

BI 168

TPB-7

PL 150(B)-16 RFB)-16 RFF Ⅱ S=10R9eS-R��RFF00(18.22S010mpampkШ°В�63)-1500ervletM00@aF0-2