NB/T 47065.1  支座 A 3237

2 A3237

3 B6830R@00ot@443RF@AFFN RFL RFp�Ⅱ S=10R@R4Sc2@RF@443RF@AFF@FS=74716 RF��@RFF@FF-R0M2FF@

3 FM 1200-4.0 δ0=18

SP-2274

bii 3412

SP-3308

BI 784226428/@5@050@40@S0 FF80328

SP-1695

SP-816

2 A121SSF8@RFpampaB)-25 FMRFJ6 RF5@FSFS1@ch4SS5 RJ