In a diesel engine, when installing new piston rings it is important to check（） Ⅰ.ring gap clearance Ⅱ.side clearance<br>A:Ⅰ only<br>B:Ⅱ only<br>C:both Ⅰ and Ⅱ<br>D:neither Ⅰnor Ⅱ

In a diesel engine, when installing new piston rings it is important to check（） Ⅰ.ring gap clearance Ⅱ.side clearance
A:Ⅰ only
B:Ⅱ only
C:both Ⅰ and Ⅱ
D:neither Ⅰnor Ⅱ

出自：海船船员证

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