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| 11. | The three-phase four-wire circuit should be adopted for the outgoing cable used by user, the earth wire should be installed, and the connection wire should be stable, safe, and reliable. |
| 用户使用的引出电缆线，应采用三相四线形式，应安装接地线，接线应牢固，安全可靠。 |
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| 12. | Electrical connections: Each machine should be provided with a separate power connection and ground. Individual ON/OFF controls should also be provided. |
| 电器连接：每个设备必须配备一个独立的电源引线和接地线，个别设备还应具备ON/OFF开关。 |
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| 13. | As the rocket rises as high as700 meters, the vertical grounded wire enhances the electric field at the rocket's tip, resulting in an upward-propagating leader that eventually snakes its way into the thundercloud. |
| 当火箭上升到700公尺，垂下的接地线使火箭顶端的电场增强，引发向上传播的导闪，一路蛇行进入雷雨云内。 |
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