问题描述:
[单选]
The crankshaft of diesel engine is supported by().
A.tension stretch
B.tie rods
C.through bolts
D.main bearing
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答案解析:无
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答案解析:无
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上一篇:The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating().
下一篇:The crankshaft is of the semi built type, with the journal()the forged or cast steel crank throws.
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