偏心异径管 DN 300×125-3RE5-150R

DN 300×125-3 RE5-150R

lwn 20-600 rfÃ

WN65(A)-300 FMr=jmx

HG/T20592 WN300(B)-10RF

A WN900-300 RF S=20. SCH1

NB/T47021RF500-1.009pl25(a)-16rf-0RF SCH40

WN250-300RF0-/

pl80(b)-10fmF0/100.

bl80-1500 mc0 r.6 db)-16rf60 H=120 s=c=9F0 RFS=9.53

WN50(B)-2