正确答案: A

0.5—6

题目:备车时间的长短,各类船舶有所不同,一般在()h。

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学习资料的答案和解析:

  • [单选题]水润滑式艉轴工作轴颈包覆(),非工作轴颈包覆()。
  • 铜套/玻璃钢


  • [单选题]An aluminum piston has lower inertia and higher coefficient of () compared to that of cast iron.
  • thermal expansio


  • [单选题]Heat energy is a source of power, but () will cause damage to the engine.
  • excessive heat


  • [单选题]Low compression of diesel engine may result from ()
  • a worn cylinder


  • [单选题]The scavenging air ports are located at () that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
  • such a height


  • [单选题]Valve gear knocks are more easily located while the engine ().
  • is running


  • [单选题]Vents are led from the engine to the head tank for the release of () from the cooling water.
  • air


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