equal·iz·er /-ˌlaɪzɚ/
  使相等的東西,平衡裝置,均壓線
  equalizer
  等化器 均衡器
  E·qual·i·zer n.
  1. One who, or that which, equalizes anything.
  2. same as Equalizing bar.
  3.  A device, as a bar, for operating two brakes, esp. a pair of hub brakes for an automobile, with equal force.
  4.  Elec. Any device for equalizing the pull of electromagnets; also, a conductor of low resistance joining the armature ends of the series field coils of dynamos connected in parallel.
  5.  Aëronautics A sliding panel to preserve the lateral stability of an aëroplane.
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  equalizer
       n 1: electronic equipment that reduces frequency distortion [syn:
             equaliser]
       2: an equivalent counterbalancing weight [syn: counterweight,
           counterbalance, counterpoise, balance, equaliser]
       3: a score that makes the match even