帮忙翻译下 发电机上的警告

DO not connect generator to a utility electrical distribution system unless it is isolated from the system. Electricl feedback into the distribution system can occur and could cause personal injury or death.Open and secure main distribution system switch. Or if the connection is permanent,install a double throw transfer switch to prevent electrical feedback. Some generators are specifically approved by a utility to run in parallel with the distribution system and isolation may not be required.Always check with your utility as to the applicable circumstances.
翻译的专业点 就好。

请帮忙翻译（发电机报价） 帮忙翻译下香烟壳上的英文 请帮忙翻译下(化妆品包装上的英文) 翻译一段数学上的东西,高手帮忙下``` 帮忙翻译下护肤品包装上的英文 谢谢 帮忙翻译下别人空间上的```` 英语 帮忙翻译下 化装品 上的英文! 在校警告.很特殊.帮忙下! 求助 谁懂发电机的请帮忙 简单的翻译帮忙下