In a diesel engine, when refitting piston rings you should （） Ⅰ.check the ring gap at the smallest diameter of the cylinder Ⅱ. Remove carbon from the ring groove
- AⅠ only
- BⅡ only
- Cboth Ⅰ and Ⅱ
- Dneither Ⅰ nor Ⅱ
问题
In a diesel engine, when refitting pi
参考解析：
分类：船舶电气与船舶安全题库
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