A small mass of soft material, often folded or rolled, used for pad ding, stuffing, or packing.

填充物一块软的物体，常叠着或卷着，用于垫料、填充或包装。

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There are 2 rail dual beam bridge, for pad beam pad on each node truss should get off track, on the edge of the I-beam to pad.

双梁桥架上有2根轨道，用于桁梁应垫梁应垫在各节点处，下车轨道边上的工字钢也要垫好。

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Through this research, provided an effective acid system for Pad-acid-hydraulic fracturing technology that can further enhance the effect of production growth of sandstone reservoirs.

通过本文研究，为砂岩储层的前置酸加砂压裂增产技术提供有效的酸液体系，进一步提高砂岩储层压裂增产改造效果。

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PRESIDENT OBAMA: "I think Afghanistan is still winnable, in the sense of our ability to ensure that it is not a launching pad for attacks against North America.

VOA: special.2009.02.21

The first line of treatment for PAD is daily exercise and a healthy diet.

WSJ: Peripheral Artery Disease (PAD) - When Achy Legs Are a Warning

Several groups are lobbying the federal government to make a screening test for PAD more widely available.

WSJ: Peripheral Artery Disease (PAD) - When Achy Legs Are a Warning

Now, fresh approaches are raising the possibility of improved treatments for PAD patients.

WSJ: New Tactics to Treat Artery Disease That Harms Legs