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  • A pair of spur gears for mounting on parallel shafts are the most common type of gears, which have straight teeth.

    安装在两根平行轴上的直齿轮最常见的齿轮，这种齿轮带直齿。

    youdao

  • A pair of spur gears for mounting on parallel shafts are the most common type of gears, which have straight teeth.

    安装在两根平行轴上的直齿轮最常见的齿轮，这种齿轮带直齿。

    youdao

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