PL 80-10 RF-10FF S

sw 20-600rf6rf6F60.5-RF 法兰63F10RF 法兰635810RF

NB/T47021 CRF450-0.6

PL40-16 RF HG/T20592

hg/t20615-2009，wn300-600 rf

pl500(b)-16 ff bb=518

wn400b-40rfFG

hgt/@BI 1000

WN15-16RF Sch40

SO65(B)-16 fm03 L=19

WN250B-40M

WN80(a)-1