NB/T 47065.1  支座 A 200-301hFSFd=2H

DN 50-Sch80 90ELa200-301hFSFd=2H

47023 fm 2200-1.6/c00-RF-25 RFJRF26��p0O2m00(B)

bi2500T20hf4ch0 RFF00-s/-5

PL400(a)-10 fF D=580 K=525 L=30 C=38 d=490

wn300-300 rf s=4 sch10

PL40a-16RF

SO 500-10 RF25500 sch400 RFCH c0mpampampampampq

WN80-10 T

BL4