NB/T 47065.1  支座 A 1030550

2 A1030550

3 B2882a

bi 7862F

PL 40(B)-10 RFFf@4

BL500B-6RFthread-cref

WN50(B)-25 RF S=60 R1400-10FF2=3s=3

47023 FF1100-1.0

3 M 550-6.4

SP-5490

WN50(B)-40FF S=4 N=74/2.5h4d=R00-14L=n=�F S=4.8n 20- Sch40149A/2=835 N=26000 RJ5R6F181604ma3RFSch0-1�b1