NB/T 47065.1  支座 A 30000rF

A 30000rF

WN500-1500 RJ/9 î0f

DN900/PN10/02&35B Sch10S

WN 80-300 RF

WN1600(B)-10 RF rf10FFs=1/

WN20-150 RFF8420F

WN200(B)-25 RF

WN200(a)-100RFaRF-10R

WN 32(B)-100 FM S=3.5

WN200(B)-100 RF;-150 RF-1600=163-30-600rfH=172δ1=M50 Rine0600rj█5rf500S1u