NB/T 47065.1  支座 A 590C.77

a 590C.77

bl25-300 rf l=19

LWN 150-150 RF Sch40 RF Sch10S

3 CRF 300-1.620δ0=8 RF D=345 K=2

3 FF 1700-1.06r86/Fempam40J-1RFc=1600 RF Sch th

WN25B-40MSb-80502.5/1

SO 40-150 FF SCH2/8o2.5FF.6/80-144 ff2u0��

WN15-150 RF

47065.2 B1f0-1

PL32(A)