NB/T 47065.1  支座 BⅡ 4006 rf b=31rf d=110f=B=275E3F00rf0

BII4006 rf b=31rf d=110f=B=275E3F00rf0

WN 150(B)-40 M Sch40S

WN40-16RF S5-25/b)-10rf025f Sch16.05 F6604770 k=1

pl65(b)-16rfb=b1

3 FM 2000-1SCHch4.ch80s05.600-1.6S=1F6R60-1.

wn40(b)-25rf62mpampampampampampampampampampquothg

BI 400-S/F h=204 δ4=12

BL