NB/T 47022  法兰 C-G 1200-1.6 î´1=10 h=120

wn25(b)-160 g s=1600-1.0/105-190Ã

47022 c-g1200-1.6 î´1=10 h=120

bl20-63 fmscRFate-1.nRFFFL6ScF A=33 g s-1.0F S/rf2)525-15

wn250(b)-63fmmpNSSCH417Sch4003616RFjfm1Hb)-150AS=1

SO 16"-150 RF0cfÂ0 BL25/5-320f6F1900-0.69b=504.5MF so100-15d7660F