资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pipelaying \Pipe"lay`ing\, n., or Pipe laying \Pipe" lay`ing\
   1. The laying of conducting pipes underground, as for water,
      gas, etc.

   2. (Polit. Cant) The act or method of making combinations for
      personal advantage secretly or slyly; -- in this sense,
      usually written as one word. [U.S.]