planer
  弄平的人,刨機
  Plan·er n.
  1. One who, or that which, planes; a planing machine; esp., a machine for planing wood or metals.
  2. Print. A wooden block used for forcing down the type in a form, and making the surface even.
  Planer centers. See under Center.
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  planer
       n : a power tool for smoothing or shaping wood [syn: plane, planing
           machine]