法兰 BL 20-10 RF

BL20-10 RF

so15(a)-6mF Sch4060 RF0140 RFb)-25fm s=8m

47021 c-fm 700-1.0 δ0=6F S=

PL 80(B)-40 RF2003 h=82

wn20(b)-16 rfs=2.565R

WN80-150RFb)- RF-115F70250(b)/

SO 250-10 FMb1=645/150RF S6

WN250-600 RF Sch80S

NB/T47023 RF550-1.F Sch606 RF S=3B=85