NB/T 47065.1  支座 BⅠ 3438

BI 3438

bi 6003

a105 hg/@SO1 RF B=2

B WN 700-300 RF Sch40S

WN250-900 RJamp5 RJf/@40@ Sg00 WN RF

WN 200-300 RF SCH20

BI 8196

WN 500-300 RF

bi 5368

bii 2964A46719-T1200-1.RF10RF=3RF&=1S=1/c3/60th1206 R/Rj3FF50H80/F/0 RF S=16500 Sj@5c2@RF@443RF0 RJ0FM@