NB/T 47065.1  支座 BⅠ 18002.5/4-10g2

BI18002.5/4-10g2

wn32-300FM8WN25F Sch80

BI 550-f/s164F/8 S=6e0S00.5F Sc

WN20-600 RF S5II50RFfT2RRF

PL 550(B)-16 RF=350-3025(B)-16 RF47023 r

WN40-300G D=145 S=4 f2=3

A WN750-900 RJ55.6fqM0-

3 fm 400-1/h40sC=164schRF0 R d=2101.0-2./6F3.006 R

WN 15-600