弯头 DN 15-490ELh.0-

DN 15-4 90ELh.0-

BL15-150 RF D=88.93. b=15.C=15=F9

pl150(b)-40 rf d=2BL8RF S=101=3 b=h22 RF1000-1.046-2450 RF980m.htmlJ25RFRF S=146.0

PL20A-16RF=2

nb/@47023 RF1000-1.0/70ml

wn400(a)-16 rf0(B)0

PL20(B)-40 RFfa）f00 RF0-1.6

wn25(a)-40m S=3/

lwn25-900