正确答案: D

有定位凸起端

题目:欲将薄壁瓦自轴承座内盘出时,应从()盘出。

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学习资料的答案和解析:

  • [单选题]In readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?()
  • The boiler vent valves should be opened


  • [单选题]Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the ().
  • engine room control station


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