NB/T 47065.1  支座 A 1796

47065.2 A1796

WN100(B)-16 RF332

wn150(a)-150 RF sch10s/

PL50(B)-10RF HG/

法兰盖BL500-16 RF

47065.2 A2600

TPB-1

SO600(B)-10RF

PL200(B)-6RF/

WN80(B)-40M0 RF0 δ1=12 δ0=120B-16RFer6ampaS06.4/140-2D=mpampa10+102125 rfRF5 d RFc-2S=20/0.6=-1WN100FTx9sr