shaper
  ( 脈衝 )整形器
  Shap·er n.
  1. One who shapes; as, the shaper of one's fortunes.
     The secret of those old shapers died with them.   --Lowell.
  2. That which shapes; a machine for giving a particular form or outline to an object. Specifically; (a) Metal Working A kind of planer in which the tool, instead of the work, receives a reciprocating motion, usually from a crank. (b) Wood Working A machine with a vertically revolving cutter projecting above a flat table top, for cutting irregular outlines, moldings, etc.
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  shaper
       n 1: a person who makes things [syn: maker]
       2: a machine tool for shaping metal or wood [syn: shaping
          machine]