【电】 false-echo device
barrier; handicap; obstruction; balk; clog; hedge; hindrance; hurdle
【化】 trouble
【医】 allo-; disorder; disturbance; dys
【经】 hurdle
echo; reply
equipment; facility; fixing; fixture; installation
【计】 device; implementor
【化】 equipment
【医】 equipment; unit
【经】 equipment; facility; installation