构造函数还将从数据库检索最大项目数，这将简化错误管理。

The constructor also retrieves the maximum item number from the database, which simplifies error management.

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还建成了北京“北苑六区”1155个车位项目，是单项工程数量最大项目。

We have also built the "1155 parking lot" project for "Beiyuan No. 6" in Beijing, which has the largest number of parking lots in a single project.

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该设备可以戏剧性地减轻全世界数百万人肾衰竭负担，也同时减轻了美国卫生保健体系开支最大项目之一的成本。

This could dramatically reduce the burden of renal failure for millions of people worldwide, while also reducing one of the largest costs in u.

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