Once complete, hydraulic jacks will then slide the arch approximately 300 meters on Teflon bearings during the course of a week to enclose the sarcophagus.

一旦组装完成，通过液压起重机将位于聚四氟乙烯轴承上的拱形建筑缓缓地移动一星期时间大概300米的距离来封闭住石棺。

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The difference is that to make water to roll-off a Teflon coated material, you need to tilt the surface to nearly a 70-degree Angle before the water begins to slide off.

不同点在于，要使水滴从特氟龙涂层表面滚落，需要在水滴滚落之前将这个表面倾斜到70度。

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