集研发、生产、销售、服务为一体的翻译：Research and development, production, sales and service as a whole 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

R & D, production, sales, service as a whole

Research and development, production, sales and service as a whole

The collection research and development, the production, the sale, the service are a body

Research and development, production, sales, service as a whole

Research and development, production, sales and service as a whole