然后应用程序服务器准备数据，并将数据发回合适的设备以供显示。
The application server then prepares data to send back to the appropriate unit to be displayed.
中间件数据库用于为请求登录的设备准备和格式化数据。
The middleware database is used to prepare and format the data for the device requesting the login.
准备机械设备数据表，技术规格书和材料请购单以用于设备询价，并准备订购版请购单。
Preparing mechanical data sheet, technical specification, material requisition MR for inquiry and preparation of requisitions for purchase.
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