NB/T 47065.2  支腿 b3dn RM

2b3dn RM

WN 150-150 RF S=10

WN100B-40 RF S=5690EL0002.2-300 R

1 FM 450-1.0 δs=4

20615 wn450-300rf SCH80S115RF=sta4m

PL150(B)-10 RF4.5u00b-16rf b=4S46rf

BI 14337

WN 20"-1500 RF Sch120

BI 8355

3 FM 400-1.0 δ0=121816F95-175 d311��0;-1500 RF Sch12