若四缸发动机的排量为1680ml,单缸燃烧室容积为70ml,则发动机的压缩比为()。 发布时间:2017-05-27 20:11 │ 来源:www.tikuol.com 题型:单项选择题 问题: 若四缸发动机的排量为1680ml,单缸燃烧室容积为70ml,则发动机的压缩比为()。A.6B.7C.8D.9
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