法兰 BL 20(B)-40 G RF/

bl20(b)-40 g RF/

WN 1 1/2"-150 RF

NB/T47021 FM700-1

bl200-900RF

WN25-150RFS=14

47023 fm1100-4.

wn80B)-16RFFM S/

47023 fm2100-1.6/116-260 δ

PL350-16RF SCH40ch44/

so80(b)-16 rf b=3

PL80(B)-10 RF=10 W/

WN80-300 RFRF0-0.6sF1.6 sch8/compan-16rf0rf-