问题描述:
[单选]
For most ship engines,the fuel is().
A.natural gas
B.diesel oil
C.propane
D.bunker fuel
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答案解析:无
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上一篇:Generally speaking,the fuel injected into a marine diesel engine combustion chamber is ignited by().
下一篇:Diesel engines obtain combustion air through turbo chargers,blowers,or().
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