采购中心已于2011年4月1日建成投入使用的翻译：Purchase Center on April 1, 2011, put into use 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Procurement Center was April 1, 2011 put into use

Purchase Center on April 1, 2011, put into use

The purchase center has completed the operational in April 1, 2011

正在翻译，请等待...

Purchase Center on April 1, 2011, put into use