en·gine·ry /ˈɛnʤənri/
  機器,機械類,兵器
  En·gine·ry n.
  1. The act or art of managing engines, or artillery.
  2. Engines, in general; instruments of war.
     Training his devilish enginery.   --Milton.
  3. Any device or contrivance; machinery; structure or arrangement.
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  enginery
       n : machinery consisting of engines collectively