NB/T 47065.1  支座 A 4051

2 A4051

WN40-150 RF

PL 300(B)-16 RF

WN15(B)-300 RF

WN 10"-300 RF Sch60

SO 16"-150 RF

3 B5337

WN 2"-150 RF Sch10S

2 A3289

DN400-PN6 PL RF Ⅱ340 RJS=3=120 D=210 Cs��77.5 RJ21295@106.5F@pl6)-16 M S=8 sc.0R0/..0 δ=95 h)5f/paf12100S