单选题
1分
Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder ...
Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is secured. This problem may be a result of ________.
参考答案: B
参考解析: 注:当切断柴油机一个气缸的燃油供应时,该缸的持续敲缸就停了。原因可能是该缸燃烧故障。