Cylinder liners from older lower powered engines had a uniform wall thickness and the cooling was achieved by circulating cooling water through a space formed between （）.<br>A:crown and skirt<br>B:liner and jacket<br>C:ring and groove<br>D:jacket and block

Cylinder liners from older lower powered engines had a uniform wall thickness and the cooling was achieved by circulating cooling water through a space formed between （）.
A:crown and skirt
B:liner and jacket
C:ring and groove
D:jacket and block

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