NB/T 47065.1  支座 BⅠ 6501.6.6160RFFRF00000SF100-29 h

BI 6501.6.6160RFFRF00000SF100-29 h

3 FM 300-6.4 δ0=12

SO 3"-150 RF

法兰wn400b-40rf

PL 100(B)-16 RF3 TH1 R Sch45R rf s�

WN 50-150 RF Sch40S

WN 8"-900 RF S=139.8

3 FM 700-1.6 δ0=10

SO 80(B)-300RFR-300d=1295 FM S=9

3 B76RF�ฒu