求翻译：原理图应提供订购更换零件所需的足够数据，如绕组回路和触点之间互相对照的资料。对于特殊装置或程序在必要时应提供简明的操作说明。冷却控制设备的原理接线图应包括当一个电源发生故障时，电源能自动向备用电源转换。是什么意思？

The schematic should provide sufficient data for ordering replacement parts required, such as the winding circuit and the contacts between each other control information. Special devices or procedures when necessary to provide concise instructions. The principle of the cooling control equipment wiri

diagrams should be available to order replacement parts for the required adequate data, such as winding Circuit and contact information of the contrast between the two. For a specific unit or program shall, if necessary, provide a concise description of the operation. Cooling control devices wiring

The schematic diagram should provide the enough data which the order replacement components need, like between the winding return route and the electronic contact compares mutually material.Regarding special installment or procedure when necessity should provide the concise operation explanation.The

Schematic diagram should provide enough data needed to order replacement parts, such as winding between the contacts of the circuit and control information. For special devices or programs should provide concise instructions when necessary. Schematic wiring diagram of cooling control devices should

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