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【单选题】
目前,绝大多数电控自动变速器采用( )进行变速,有的车型采用普通齿轮机构进行变速。A.
行星齿轮机构
B.
普通齿轮机构
C.
棘轮机构
D.
槽轮机构
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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