NB/T 47065.1  支座 A 1609m1055.5/data/public/common/qq.png

PL 40(B)-40 RF1Fsc(a)-16 rfRF S=6.5RF.4 B815

DN200-PN25 PL RF Ⅱ46DDh4Mch0-1.0F4 A21/6300R

PL 40-16 RFf01641=80S25/70 sch

WN 200(B)-100 FMch40 wn50-F¶ch40RF500rj/u0/92-2

DN25-PN250 WN RJ Ⅱ S=NPT

3 CG 800-2.520δ0=0-1.6/84

PL15(B)-10RF)/c

PL 45