mains switch

简明释义

电源开关

英英释义

例句

1.When moving into a new house, find out where the mains switch 主开关 is located.

搬进新家时，找出主开关 主开关的位置。

2.If the lights are flickering, check the mains switch 主开关 to see if it's properly connected.

如果灯光闪烁，请检查主开关 主开关是否连接良好。

3.Before starting any electrical work, make sure to turn off the mains switch 主开关 to ensure safety.

在开始任何电气工作之前，请确保关闭主开关 主开关以确保安全。

4.Always label your mains switch 主开关 clearly for easy identification.

始终清楚地标记您的主开关 主开关以便于识别。

5.The technician advised us to locate the mains switch 主开关 in case of an emergency.

技术人员建议我们在紧急情况下找到主开关 主开关。

作文

In today's world, electricity plays a crucial role in our daily lives. From powering our homes to fueling our devices, the importance of electricity cannot be overstated. However, with this reliance on electrical power comes the need for safety and control over how we use it. One essential component in managing electrical supply is the mains switch, which is vital for ensuring that we can turn off or on the electricity that flows into our homes. The mains switch (主电源开关) acts as the main control point for the electrical system, allowing us to manage the flow of power effectively.When we consider the function of the mains switch, it becomes clear that it serves multiple purposes. Firstly, it provides a means to disconnect the electrical supply from the mains, which is particularly important during emergencies or when performing maintenance. If there is a fault in the electrical system, such as a short circuit, having the ability to quickly turn off the mains switch (主电源开关) can prevent potential hazards like electrical fires or shocks.Moreover, the mains switch is crucial for energy conservation. By turning off the switch when we leave our homes or when appliances are not in use, we can minimize unnecessary energy consumption. This simple act of switching off the mains switch (主电源开关) can contribute to reducing our carbon footprint and lower electricity bills, making it an essential practice for environmentally conscious individuals.In addition to safety and energy efficiency, the mains switch also plays a significant role in the overall functionality of our electrical systems. For example, during power outages, the mains switch (主电源开关) allows homeowners to isolate their electrical systems from the grid. This isolation is critical when the power returns, as it prevents back-feeding electricity into the grid, which can be dangerous for utility workers who may be repairing lines.Furthermore, understanding how to operate the mains switch is fundamental for everyone in a household. It is imperative that all family members know where the mains switch (主电源开关) is located and how to use it effectively. This knowledge can be lifesaving in an emergency situation where quick action is required to cut off the power supply.In conclusion, the mains switch is a small but mighty component of our electrical systems. Its ability to control the flow of electricity makes it indispensable for safety, energy efficiency, and proper functioning of our homes. By understanding the importance of the mains switch (主电源开关) and incorporating its use into our daily routines, we not only protect ourselves and our property but also contribute to a more sustainable future. Therefore, it is essential for everyone to familiarize themselves with this critical element of electrical safety and management.

在当今世界，电力在我们的日常生活中发挥着至关重要的作用。从为我们的家庭供电到为我们的设备提供动力，电力的重要性不容忽视。然而，随着对电力的依赖，控制和安全使用电力的需求也随之而来。管理电源的一个基本组成部分是mains switch（主电源开关），它对于确保我们能够打开或关闭流入我们家庭的电力至关重要。当我们考虑mains switch的功能时，很明显它具有多重目的。首先，它提供了一种手段，可以从主电源断开电力供应，这在紧急情况下或进行维护时尤为重要。如果电气系统出现故障，例如短路，能够迅速关闭mains switch（主电源开关）可以防止潜在的危险，如电气火灾或触电。此外，mains switch对于节能至关重要。当我们离开家或当电器不使用时，通过关闭开关，我们可以尽量减少不必要的能源消耗。这一简单的关闭mains switch（主电源开关）的行为可以帮助减少我们的碳足迹并降低电费，使其成为环保意识强烈的个人不可或缺的做法。除了安全和能效外，mains switch在我们电气系统的整体功能中也发挥着重要作用。例如，在停电期间，mains switch（主电源开关）允许房主将其电气系统与电网隔离。这种隔离在电力恢复时至关重要，因为它防止电力回馈到电网，这对可能正在维修线路的公用事业工人来说是危险的。此外，了解如何操作mains switch对于家庭中的每个人都是基础知识。所有家庭成员都必须知道mains switch（主电源开关）的位置以及如何有效使用它。这种知识在紧急情况下可以挽救生命，因为快速采取行动切断电力供应是必需的。总之，mains switch是我们电气系统中一个小而强大的组成部分。它控制电力流动的能力使其在安全、能效和我们家庭的正常运作中不可或缺。通过了解mains switch（主电源开关）的重要性并将其使用纳入我们的日常生活，我们不仅保护自己和财产，还为更可持续的未来贡献力量。因此，熟悉这一关键电气安全和管理元素对于每个人来说都是至关重要的。