NB/T 47065.1  支座 BⅡ 33746

BII 33746

WN300-150 RF S=4

wn50A-16RJ5l@4F15/R

SP-8329

BI 15963

DN 200×90-Sch10S RC

WN 400(B)-25 RF S=9

LWN80-150RF sch80s25AF5@°F1FfRFAFF ScF&

WN80(B)-16 RF48272

SP-3471FS@RF��@RFRF Spl1F Sch4246RF�blMfScom1Mfs2@&ampampampampampamp;amp;