GB/T 12459  偏心异径管 DN 25×15-Sch10REh1016115F0famp

DN 25×15-Sch10 REh1016115F0famp

WN25 -900RJ10-4.0/

WN 25(B)-100RJ5

WN100-16RF0 RF Sch00SF21/

DN 32-Ⅱ-4.5 C

WN50-600 RF S=8.74 H1=7

47023fm1600-1.6140s3RFFF44000rFS=4S=

WN 1 1/2"-300 ST S=10.2

A 2000 H250pm1.6MFF b-0 c-10 d-1cFch40

WN20-150 RF