NB/T 47022  法兰 RF 700-0.25/20δ1=8J0 RF-1/mpany00b-16 rfFb RF)4

2 RF 700-0.2520δ1=8J0 RF-1/mpany00b-16 rfFb RF)4

bl150-150 rf sch4

PL250(B)-25 RF5 fm1500-4.0/144-01=6552/u00a2R5

WN 200(B)-100 FM Sch400-6.4 δ0=18 RF i4.0RF

pl80(b)-16 rf ,hg Rp00RF0RJrf/m/ompsSRF1235 pl80rj63-1 r

BL100-150RFH

47021 fm900-1.0 Ã

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