Large quantities of insulated copper wire are installed and connected to the two circuit boards, whereas additional wires lead to an external electricity supply.
大量的绝缘铜线连接起两块电路板，而额外安装的导线为作品供应电力。
Two or two-circuit transmission line power supply should be able to automatic switching, self-generating equipment should be installed automatically activated.
两个电源或两回线路应能自动切换，自备发电设备应有自动启动装置。
Two or two-circuit transmission line power supply should be able to automatic switching, self-generating equipment should be installed automatically activated.
两个电源或两回线路应能自动切换，自备发电设备应有自动启动装置。
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