According to the above method will be very quick to judge the damage of the barrier plate in a timely manner to replace the damaged fence board, better play the role of the high speed rail.

根据以上的方式方法就会很快的判断出护栏板的损坏情况及时更换已损坏的护栏板，更好的发挥护栏板在高速路上的作用。

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Wooden fence rails are usually not suitable for tying; a pulling horse could easily detach them and panic when the rail hits him or chases after him.

木制篱笆的围栏通常不适合拴马，一匹使劲拉拽的马能够很轻松的拉开它们而且当围栏打到他们或是跟在他们后面的时候会使他们受惊。

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Something, such as the top rail of a fence, that rests on or is supported by something else.

依靠或被别的物体支撑的物体，如篱笆上部的横梁现代英汉词典。

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Johnson Library, a midcentury futuristic cube at the University of Texas at Austin, the imperial and the folksy are at odds: Sweeping travertine stairs and a monumental display of scarlet storage boxes emblazoned with gold presidential seals contrast with an animatronic, Stetson-wearing Johnson posed at a split-rail fence.

WSJ: Bricks and Immortality | George W. Bush Presidential Center | By Julie V. Iovine