NB/T 47065.1  支座 BⅡ 4006 rf b=31rf d=110f=B=2

BII4006 rf b=31rf d=110f=B=2

PL 200(B)-6 RF000-R6FM

WN 200-900 RJ Sch6 RF36F0S6c45.5.6f10

BL 1/2"-300 RF

WN 25-900 RF00-

SO40B-300RFHG/forum-4.00G

WN 80(B)-40 RF S=4hF&/@PL2

WN 150-150 RF Sch40

wn 300-300 rf sch800s9RF/-300rrf00-63m.6-35 k=7

bl