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 成人高等教育 / 汽车概论
正确率:100%

差速器在汽车不转弯时,其行星齿轮。( )
  • A、
    只自转
  • B、
    只公转
  • C、
    即自转又公转
  积分
 参考答案:
 佳题速递:
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