NB/T 47065.1  支座 BⅡ 25575

BII 25575

BI 2800

DN 700×700×300-Ⅱ-8 TR

47065.4 A2448

PL 100(B)-10 RF

47065.3 B10040

WN 50-150 RF2730

PL 150(B)-10 M

WN100(B)-16 RF178

WN 25-900 T Sch80Sf RF S=12-25;-150 RF Sch40S d= n=29210029RF IB)F RF5~1mmF5-SSRRF Sch80Sh-16 RFhSc-1804rf@.5