NB/T 47065.1  支座 BⅠ 74889

BI 74889

wn40(a)-16 rf d=880

wn65(B)-300 Rjch40 Sch41=3

3 B1319

3 B3004

SP-669

3 B4224

bi 6728

SW 200-10 RF

B WN 32"-150 RF B=Sch601RFLFRf scF RJ5 RJy0MR33094@4@F SRF�@RF-25 rfrC804FFSC40 RFfr9)-16 RF4667 B322384h8)-160 FF3pampampampampampampa