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In some modern large diesel engines, which of the following is used as the support for the main bearings？
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Which of the listed bearing types is an example of a solid bearing？A.Piston wrist pin bush
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As to the bearing, of the following, which statement is not true？A.ff overheat is found, t
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The main bearing shells are made of steel with a lining of bearing metal which may be whit
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Which of the following descriptions is INCORRECT？A．Black bears are the smallest of all Ame
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The Tories were the forerunners of______, which still bears the nickname today.A．the Labor
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According to the passage, which of the following statements is TRUE？A．Starving polar bears
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