NB/T 47065.1  支座 A 9849

2 A9849

WN 6"-600 RF Sch160

BII 37684

bii 5860

DN400-PN10 PL RF Ⅱ

SP-1084

SO 10"-300 RF

BI 2276

WN100(B)-16 RF S =12

3 FM 600-1.000RFScpM16025A=90 S= NA=120 D=210 Cs��77.5 RJ21295@106.5F@pl6)-16 M S=8 sc.0R0/..0 δ=95 h)5f/paf12100S