【电】 failure indicator
barrier; handicap; obstruction; balk; clog; hedge; hindrance; hurdle
【化】 trouble
【医】 allo-; disorder; disturbance; dys
【经】 hurdle
indicator
【计】 indicator; P
【化】 indicating gage; indicating gauge; indicator; marker; reporter
telltale; viewer
【医】 detector; inaicator; pointer