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。
应用推荐