NB/T 47065.1  支座 A 242�042RF s Scp

DN 40×40×350-Sch40 TRF0RFsc5�§a242�042RF s Scp

SO125-25T-

WN50-150RF6=8.u00mpam7rG1FFRF Sch48

SO 600(B)-10 RF

3 FF 1800-1.0 δ0=10F

bl20-63Mr80S

PL40-16 RF2-075 K=10&a”€ï؟½ï؟½â”گخ“أ²أ�

WN 25(B)-40 RF S=3.5

WN 4"-90