Height prepared several different pieces of the gate pad 23, with free exchange of bolts 24 installed.

预先准备多个高度尺寸有所不同的浇口垫件23，用螺栓24自由交换安装。

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Not far from the installation's entry gate are a control tower and a helicopter pad.

不远处安装的入门是一个控制塔和一个直升飞机平台。

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Table in the swing gate or a patio, foot pad two benches that case table highland rise.

案桌摆大门口或天井里，桌脚上要垫两条长凳使案桌高地升高。

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One witness said the man approached a security checkpoint building at the northwest gate of the White House and showed a writing pad with the word "urgent" written on it.

CNN: Man sets self afire outside White House