GB/T 12459  同心异径管 DN 25×15-4RC3Sch4�вҖ вҖңРӯвҖ“вүӨР

DN 25×15-4 RC3Sch4�вҖ вҖңРӯвҖ“вүӨР

WN25(B)-10 FM

WN 125-150 RF.5FMX26ch40S10Fr0-pFRF0mF6RFFMs00 N=RJ SRF Scf

BL1000-10 MM5-10

法兰WN200(B)-16 RF S=8==45 h=90 s= Q/

LWN25-300 FMFMM00-1j

WN50-600 RF SCH2/n0s/ s=1S

bl500(b)-16fmT

WN