求翻译：· Prepared P&IDS, design calculations, technical specifications and equipment and pipe sizing calculations for project engineering是什么意思？

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悬赏分：1 - 离问题结束还有

· Prepared P&IDS, design calculations, technical specifications and equipment and pipe sizing calculations for project engineering

问题补充：

匿名	2013-05-23 12:21:38

匿名	2013-05-23 12:23:18

匿名	2013-05-23 12:24:58

匿名	2013-05-23 12:26:38

匿名	2013-05-23 12:28:18

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