... 平型双头夹板flat joint bar 轨头地面接触夹板;锲型接头夹板head contact flat joint bar 轨腹上圆弧接触夹板;铰型接头夹板head free flat joint bar ...
基于44个网页-相关网页
... 平型双头夹板flat joint bar 轨头地面接触夹板;锲型接头夹板head contact flat joint bar 轨腹上圆弧接触夹板;铰型接头夹板head free flat joint bar ...
基于32个网页-相关网页
... flat joint bar 平型双头夹板 head contact flat joint bar 轨头底面接触夹板，又称“楔型接头夹板” head free flat joint bar 轨腹上圆弧接触夹板，又称“铰型接头夹板” ...
基于1个网页-相关网页
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