back support

 
  • 后撐

back support的用法和樣例:

例句

  1. The fatigue fracture reason of the weld seam at the back supporting rod of the main reductor of an aircraft has been analyzed by fractography and metallographic test.
    對某飛機主減速器后撐桿焊縫疲勞斷裂原因作了分析。

back support的相關資料:

臨近單詞

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