求翻译：4.2.1市场部在得到客户改装需求并确认后下发《飞机改装任务单》（Falcon-Form-AM-005）,飞机工程部根据市场部发布的改装任务单组织实施。是什么意思？

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4.2.1 in the customer's marketing department modified needs and after the confirmation issued the aircraft modification task orders (Falcon - Form - AM - 005 aircraft engineering department, according to the market of modified tasks, organize and implement.

4.2.1 marketing departments after obtain the customer re-equipping demand and confirmed after-crops "Aircraft conversion Duty List" (Falcon-Form-AM-005), the airplane engineering dept the re-equipping duty list organization which issued according to the marketing department implements.

4.2.1 market needs in customer adapted and upon confirmation of the aircraft modification order issued (Falcon-Form-AM-005), aircraft engineering department according to the modified tasks of the Department of organization and implementation of the market.