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If the firing pressures in a diesel engine are high, although the exhaust temperatures are normal, the cause may be（）

单选题
2022-01-11 07:02
A、early injection timing
B、worn orifices in the injection nozzles
C、worn or scored cylinder liners
D、using a fuel with too low of a cetane number
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正确答案
B
试题解析
标签： 船舶电气与船舶安全
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