求翻译：4.11.1 在我公司持有了多架飞机的MDA的情况下，可向地区适航审定中心推荐MDA项目的工程委任代表（DER），以协助局方进行该项目的证后管理或新项目的审查。被推荐人应有丰富的航空器维护及改装经验，熟悉相关适航管理程序，工作责任心强，业务技能优秀，参加过MDA审定工作。是什么意思？

4.11.1 in the company held by the aircraft mda, mda project can be recommended to the regional center for airworthiness certification works appointed Representative (der) to assist the Council with evidence of the project management or new projects review. Is recommended there should be extensive ai

In 4.11 , I am holding a multi-aircraft MDA case, to the local airworthiness Validation Center recommended MDA project appointed representative (DER), to assist the parties to the project management certificate or new projects. The person should be experienced in aircraft maintenance and modificatio

4.11.1 had in the multi-frame airplane MDA situation in our company, may recommend the MDA project to the local seaworthiness examination and approval center the project to appoint to represent (DER), after assists the official prescription to carry on this project the card to manage or the new proj

4.11.1 the company holds a number of aircraft under MDA, recommended to the regional airworthiness approval Center of MDA project appointed representative (DER), to assist the Council in carrying out the review of certificate management, or a new project after project. Candidates should have a wealt