NB/T 47065.1  支座 BⅠ 180045.5 RJ R1t

BI 180045.5 RJ R1t

so65(a)-16RF

DN 50-Sch60 90EL

WN80(A)-150RFB=72.5

BL 20-900 RJS217.5 RJj@5c2@RF@4

2 A3

PL50(B)-16 RFIF5 RJ

47065.2 A4

PL40(B)-16RF

WN 6"-150 RF Sch80S443RF@AFF S S@5c2@FF@RF@4/2@ RF5 RJ0PL RF2@RF@443RF@AFF ScF&@.5 RJ40RF@.5RJc