HG/T 21574  吊耳 SP-20

SP-20-300FM16 sc=5

wn100b-25 RF

WN 150-150 RF S=21.

SO10-6FF-1rf hg60

47023M1500-1.6RF

WN800-10 RF S=10

WN 10"-300 LM Sch40

WN15-16 RJPL22R@B0

NB/T47021 RF700-0.25 δs=4

3 RF 1400-4.0 δ0=621633-rf@40@S5 RJrvlet/F sF080 schFS5 RJ2A=F6m386=4RJ@40