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