NB/T 47065.1  支座 BⅠ 76975

BI 76975

20592 FM 450-10S50rch40-6 RF-F0

2 FF 700-4.020

2 CFM 550-4.0 δ1=8

1 FF 1500-0.6 δs=8

BII 28135

PL15(B)-6FF1500-2.5/f05

B WN450-40 RF S=12l

WN 1"-150 RF Sch10S

1 FF 1500-0.25 δs=800 RF Sch40RF S=925 FM01caRF�@Sp&@t.55@RF@4 Rch46 R15