正确答案: A

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题目:为了检验螺旋桨的螺距,关键是应测量计算出()螺距。

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学习资料的答案和解析:

  • [单选题]废气锅炉烟垢着火的热量主要传导给(),使锅炉系统不能正常工作,甚至损坏锅炉。
  • A+B+C


  • [单选题]增压器的轴承一般以()端的轴承先损坏,因该处()、工作条件差。
  • 涡轮/温度高


  • [单选题]The cooling water jacket is common to all the cylinders but there are often () to ensure that each cylinder receives the right amount and flow of water.
  • dividing walls


  • [单选题]The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating ().
  • All of the above


  • [单选题]The hand steering is a method by which the motion of the rudder is controlled with ().
  • a hand-driven steering wheel


  • [单选题]A crankshaft whose center of gravity coincides with its center line is said to be ().
  • statically balanced


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