NB/T 47065.1  支座 A 2273

47065.2 A2273

BL200-150 RF0-1503b/f sch32/u00s

WN 1 1/2"-150 RF Sch40S

WN 50-16 RJfmpampa

BⅡ2645

WN300-150 RF SCH4S

WN2-300 RF Sch4Rj@

WN500-1500 RJ Sch4

BL150-600RF

WN900-300 RF Sch80 s=2.5c4561RF@40/s@FF SC60 RF H=677 sch2SSc8-3=5ampam10 c=1