GB/T 12459  异径三通 DN 1000×1000×65-Sch40TR

DN 65×65×1000-Sch40 TR

PL100(B)-10 FMmfF rf Sch1RF0-R0RFRF1F

WN25B)-16MH3

3 FM 650-1.6 δ

PL80(B)-16 RF B=660WN

WN15-25Rf=4.5

wn50(b)-63fm s=5f0/

BI 273 δ3=86h1Ma��77.5 RJ-1671

bl 500(b)-6 rf0 δ=70 H=160 RFF300-1Fd477e2/u040C=12080 C=1mpampam