NB/T 47022  法兰 FF 3500-0.25 δ1=10

2 FF 3500-0.25 δ1=10

3 FM 300-1.6F Sch40S��ҪГ

DN 40×32-Ⅱ-3.5 RC

WN 2"-150 RF Sch80S

BL 15-300 RF

SO 80(B)-16 RF

WN100-16RF

PL50-16 RF

1 RF 1000-0.6 δs=14 δ=65

WN100(B)-63RF06 RF S=2.9h80 TRfniFb0-0u00e2/dataRFf40R1atr0RFc100 Sch-239S