NB/T 47065.1  支座 BⅡ 5253

bii 5253

SP-3391

DN 50×40-Sch10S RE

PL80(A)-25 RF

wn50(a)-63 rf sch40s

BI 12200

PL 80(B)-16 RF

LJ 1 1/2"-600 RF Sch100

bii 2733

2 A4430600rj&qu2.5Mfs2@2500F@.5 RJ-6 RFM600-2.5=45-120 s8ch4052016Rf/S=J Sch100h40 s0r1re6 FM/=6 s=12S=84hB)-181 C-R