Ready to use immediately; fully assembled and tested

• Delivered as a complete, operational package
• Requires little or no setup by the buyer

可即用；已完整组装并测试

• 作为完整、可运行的整体交付
• 几乎不需买方额外配置

A product or system delivered ready to operate

• An old term for a prison warder or jailer

交付即可运行的产品或系统

• 旧称，指监狱看守

To deliver as a turnkey package

• To supply fully assembled and ready for use

以交钥匙方式交付

• 提供完全组装、可直接使用的成套方案