单选题Which of the diesel engine cylinder liners listed has internal cooling water passages?（）AInternally finned linerBExternally finned linerCWet linerDIntegral water-jacket liner
单选题
Which of the diesel engine cylinder liners listed has internal cooling water passages?（）
A
Internally finned liner
B
Externally finned liner
C
Wet liner
D
Integral water-jacket liner
参考解析
解析：
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