The one you did not remove is the input to the regulator. It is the main line from the fuel pump/filter/accumulator. The ones you removed are the ones I also removed on mine. The short one is the pressure regulator output line (input to the fuel distributor).
Steve
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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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