NB/T 47065.2  支腿 a4-1000 RF

2 a4-1000 RF

WN 40(B)-63 RF B=Sc

LWN 20-150 RF B=13

TH100-16 RF

WN 50(B)-10 RF S=2.5

1 RF 600-0.6 δs=6

WN 80-25 RF Sch80ёұ

BL40(B)-25RF

wn200-25rf s=12.5 &;amp;ampamp;ampampampamp;nbsp671@آ�RFF001

wn15-300 rfrf sch40J-0406B)fmbt75 K=1120 L=30F