GB/T 12459  翻边短节 DN 90-Sch60LJL

DN 90-Sch60 LJL

wn80b-16ff-50f-1.016RF0R δ3=120/603

47023 M600-4F/t20160F RF

WN450(B)-10 RF Fch0/

WN 80(B)-16 RF S=8 RF8.4 S=11F Ⅱ RF B=77.55pamp 90EL4-140.25-25fm s/

PJ/SE 25(B)-25 RFR0 h1h4PL/W-A60m�У�

3 FM 1100-4.080=540s600RForum

wn150(b)