GB/T 12459  弯头 DN 40-Ⅱ-390EL18 so90ELM/data/public/public/wx/wx.max.png

A2200-F/S-1.033.40rf s2 55 RFF g SCH40=1.0 bb=720 r=12

PL100B)-16 RF

so150(b)-150rf/

PL125 B-16 RF

NB/T47023 RF600-1.0 δ= H= d= n= h= R= δ1= δ0= DN= D3= D1= D= δ2=

47023-fm800-1.6/4FM1000-0.6/FF S00-1.0/70-165tcSc.000

PL100B-16T

WN 200-150 RF

470