GB/T 12459  弯头 DN 32-590E3Drf

DN 32-5 90E3Drf

WN15B-2500 RJ N=38

WN25B-40 RF S=500-0.6F)-)080-10 R

wn40(a)-40 rf

WN40-1500 RJ Sch40撒R c0

PL 500-150 RF000ScRffRF

so65-25fm H=11440F16 RF61

WN100-40G S1C=2

1 CRF 700-0.6 δs=5f=100r

LWN 25-1500 RJ B=208-300==550RFch800 RFB)-25 FM83