货架托盘：用于集装、堆放、搬运和运输的放置作为单元负荷的货物和制品的水平平台装置。

Tray: for container, stacking, handling and transport of the horizontal platform device is placed as a unit load of goods and products.

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使用操作平台装置的直接费较钢管脚手架降低率为81.9%，并且随着建筑高度的增加，造价差异趋向扩大。

The direct fee caused by platform can be reduced 81.9% to that of steel scaffold. The difference will expands along with the increase of height of high-rise buildings.

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