NB/T 47065.1  支座 A 1183

47065.4 A1183

BI 79023

BL16-600RF6B-� RF Ⅱ S=50M0 RF�@RF@4 Rc�

PL 300(B)-10 RF471

WN50-150 RF Sch1210

3 B4741

PL 100(B)-16 RF b=3

WN 250(B)-160 G

3 CFM 1900-4.0 δ0=20

BL 50-16 RF34766=50M0 RF�@RF@4 Rc���ç²-5.7 D=tg RF-1A=4Sc2@RF@44F WN