弯头 DN 50-Ⅱ-390ES

DN 50-Ⅱ-3 90ES

WN150(B)-16RF S=65-246 H=2058-

hg/t20592-2009bl20-16rf010 RFrf h1-1.6

pl350(b)-10 fm1001www.hgcad

WN500-600 RF Sch40 S= H=190

wn25(b)-25rfsÃlrj(B)-A=90 C=18

WN 500(A)-16 RF B=484/

pl50(b)-10rfhδ=52060 S=5Sch12840m10¦3/u008

so450