承磨环是为_______柴油机活塞与气缸磨合设置的A.筒状活塞式B.中速C.高速D.十字头式请帮忙给
承磨环是为_______柴油机活塞与气缸磨合设置的
A.筒状活塞式
B.中速
C.高速
D.十字头式
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:D
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