HG/T 20592  法兰 PL 250(B)-10 RF=1FCH80B)-110-

Pl250(b-10RF=1FCH80B)-110-

47021 FM 800-1.0

47023 G900-1.6/62-145

WN 250-150 RF

WN300-150 RF Sch40

wn65-100 M150h=0(B)-

WN100(B)-25FM S10f-rf-1/6300/ b1=c300c3

WN400(B)-40FMC=62

LF/SE 15-150 RF S

WN300-150 RF Sch40Spampampampamp;amp;amp;amp;amp;amp;