NB/T 47023  法兰 C-FM 2600-4.0/20δ0=8 RFf0δ1=01100

3 CFM 2600-4.020δ0=8 RFf0δ1=01100

WN100(B)-160M D=

BL250(B)-25T.6/92-05=-300

WN15-40T S=30FffF-51.01RF B=4ihA=219 B=207

wn200-900rf s10RF=29

NB/T47021 FM350-1.

wn400-900 rf s=60

WN6"-150 RFh406 RFbb=497070mampampa395mF0-2F1=21 RF B=896

eha25