NB/T 47065.1  支座 BⅠ 70040S1 r

BI 70040S1 r

lwn65-300rf/i

3 RF 450-1.6 δ0=50Fch40RFО©╫F6 R

47021-RF400-1.0.1h80RFRFS=1666 RF

WN 150-300 RF Sch10S

wn100a-63 rfum.htmlrj(B)-63 F(B)

LWN200-600RF-36.5 Ar3

PL 150(B)-25 RF Sch40S@00-150 RF/

47023 fm 400-1.0sch40/fo80MF216

SO 250