fifth-wheel

常见例句

The tractor frame uses super-long fifth-wheel pick-up plate as well as plate reinforced cross member.
牽引車車架採用了超長的鞍座連接板及連接板加強橫梁。
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The evertible reinforced fifth-wheel pick-up plate is introduced on the reinforced frame. The adoption of two-layer fifth-wheel pick-up plate enables it carry more load.
竝在加強型車架上增加了外繙式加強鞍座連接板，雙層鞍座連接板的採用，使其更具有超強的裝載能力。
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A mother-in-law on a honeymoon is a fifth wheel.
度蜜月時，丈母娘是個大電燈泡。

Trailers are typically attached to tractors by a "fifth wheel, " in which a coupling pin on the trailer fits into the center of a large horseshoe-shaped piece of metal.
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