NB/T 47065.1  支座 A 1318

A WN 700-600 RF

4 A1318

BL 1"-900 RJz S=F2802jF0015RF6Sc2@RF@443RF@A43RF@AFF@P2@Fj@5quot

a260 Sch10cF

WN 300(B)-600 RF B=298

SO 2"-150 RF

2 RF 550-2.5 δ1=6

BL 50-63 RF

wn50-100 rfN10 SCH43 C

A 22000-sRF60 20615FRF@6/80-1600 h=250120 RF RFF