应改造、升级各级调度技术支持系统的翻译：Reconstruction, upgrading at all levels should dispatch technical support system 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

Should be modified, upgraded levels of scheduling support system

Reconstruction, upgrading at all levels should dispatch technical support system

Should transform, the promotion all levels of dispatch technical support system

At all levels should be modified, upgraded activation technology support system

Reconstruction, upgrading at all levels should dispatch technical support system