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2013-05-23 12:21
求翻译：Weights are represented as a box structure, manufactured of polymer material. In order to avoid water stagnation in the lower part of the casing there are drain holes, overlaid by polymer network. Casing is to be filled with macadam, silica sand or soil assuring the ballasting mass.是什么意思？ 待解决
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Weights are represented as a box structure, manufactured of polymer material. In order to avoid water stagnation in the lower part of the casing there are drain holes, overlaid by polymer network. Casing is to be filled with macadam, silica sand or soil assuring the ballasting mass.
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