Phase I land of 2 square kilometers has been wholly cleared well, the rail-fences are basically covered and the main roads and distribution network are as good as completed.

首期2平方公里土地全部平整，围栏基本合拢，主要道路框架和管网全部完工，年底完成路面黑色化和绿化工作；

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Fix the installation holes on the front end of the slider rail to the square holes on the front post of the rack with screws and cage nuts shipped with the slider rails.

用发货附带的螺钉和浮动螺母将滑道前端的安装孔位与机柜前方对应侧的立柱方孔条固定；

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Japanese ball screw rod and round rail, original screw nut, imported linear and square rail.

日本产滚珠丝杠，原配螺母，进口直线方形导轨。

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But before undergoing redevelopment for the 2012 Olympic and Paralympic Games, this square-mile slice of East London was a ghetto with decaying factories and rail yards, traces of which can still be found.

BBC: Walking London��s Olympic sights