HG/T 20592  法兰 PL 600(B)-6 FF/-¶/data/public/wx/wx.max.png

wn32-63 fm0J B=6

wn40(b)-63rfrj/RF-150 RF B=9803 s=

WN 20(B)-63 RF Sch40S)b)2-=.7d=1n

WN 300-150 Fm-2009-40fm-

bl500-300 rf k=65/00wn150-9000180A

wn40-10 t165rf5SD7/S= d=/08-11

PL80(B)-10RF(A)M 900-0.6/δ= H=3T40j650/�2=12

LJ 8"-600 FF Sch4-16