GB/T 12459  异径三通 DN 1300×1300×600-Sch140TR

DN 600×600×1300-Sch140 TR

so50(a)-16RF-150rfRFPf1=/R

WN 20(B)-16 RF S16 RF00fHR

LWN 25-300RF310.50(B)-16RF0-1g

LJ 16"-150 RJ1=8=6ÆÃ0=80H80/

WN 15(B)-100 M Sch10SFf1=4

BI 1000.674Tk=

PL125(B)-16RFCuotH600rf

so200-10rf2@@A�

wn25(b)-