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  • The X-ray pictures of lumbar vertebrae of 462 drivers (driver group) and 285 administrative personnels (control group) were investigated.

    本文研究了462名大型汽车驾驶员和285名以坐姿工作为主的机关职员的腰椎X线改变。

    youdao

  • The X-ray pictures of lumbar vertebrae of 462 drivers (driver group) and 285 administrative personnels (control group) were investigated.

    本文研究了462名大型汽车驾驶员和285名以坐姿工作为主的机关职员的腰椎X线改变。

    youdao

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