petcock

简明释义

英[ˈpetkɒk]美[ˈpetˌkɑːk]

n. 小活栓；小龙头；扭塞

英英释义

单词用法

同义词

反义词

例句

1.The doctor shut off the petcock .

医生关掉小活栓。

2.The doctor shut off the petcock .

医生关掉小活栓。

3.If the engine overheats, it might be due to a faulty petcock 放水阀 that isn't opening properly.

如果发动机过热，可能是由于一个故障的petcock 放水阀没有正常开启。

4.Before draining the radiator, make sure to locate the petcock 放水阀 at the bottom.

在排放散热器之前，确保找到底部的petcock 放水阀。

5.You should check the petcock 放水阀 regularly to prevent any leaks.

你应该定期检查petcock 放水阀以防止任何泄漏。

6.To flush the system, close the petcock 放水阀 after draining the old fluid.

在排放旧液体后，关闭petcock 放水阀以冲洗系统。

7.The mechanic opened the petcock 放水阀 to release the excess coolant from the system.

机械师打开了petcock 放水阀以释放系统中的多余冷却液。

作文

In the world of mechanics and plumbing, there are many components that play crucial roles in the functioning of various systems. One such component is the petcock, a small but vital valve used to control the flow of fluids. Understanding the purpose and functionality of a petcock can greatly enhance one's knowledge of mechanical systems, particularly in automotive and plumbing applications.A petcock is typically a manual valve that allows for the draining or filling of liquids in a system. It is often found on radiators, fuel tanks, and water heaters. The design of a petcock usually includes a handle that can be turned to open or close the valve, allowing for precise control over fluid movement. This feature is particularly important in situations where it is necessary to manage the flow of potentially hazardous materials or to perform maintenance tasks.For example, in an automotive context, a petcock is commonly used to drain the coolant from the radiator. This is essential when performing repairs or replacing the coolant, as it prevents spills and ensures that the system can be properly serviced. By turning the petcock to the open position, the mechanic can allow the coolant to flow out safely into a container, minimizing mess and environmental impact.In plumbing, petcocks serve a similar purpose. They can be used to drain water from pipes or appliances, making it easier to repair or replace them without causing flooding or water damage. For instance, if a homeowner needs to replace a water heater, they can use the petcock to drain the tank completely before disconnecting it. This not only makes the process cleaner but also safer, as it reduces the risk of water spilling onto electrical components.The versatility of the petcock extends beyond just automotive and plumbing applications. It is also used in various industrial settings, where controlling the flow of liquids is critical for safety and efficiency. In chemical processing plants, for example, petcocks can be employed to manage the flow of corrosive or hazardous substances, ensuring that workers can operate safely while maintaining the integrity of the system.Despite their importance, petcocks can sometimes be overlooked during maintenance checks. Regular inspection and maintenance of these valves are essential to ensure they function correctly. A malfunctioning petcock can lead to leaks, spills, or even catastrophic failures in a system. Therefore, understanding how to identify and maintain a petcock is crucial for anyone involved in mechanical or plumbing work.In conclusion, the petcock is a small yet significant component in various mechanical and plumbing systems. Its ability to control fluid flow makes it invaluable in both everyday maintenance tasks and specialized industrial applications. By gaining a deeper understanding of what a petcock is and how it functions, individuals can enhance their skills in troubleshooting and servicing mechanical systems. Whether you're a seasoned mechanic or a DIY enthusiast, recognizing the role of the petcock can lead to more efficient and safer operations in any setting.

在机械和管道的世界中，有许多组件在各种系统的运作中发挥着至关重要的作用。其中一个组件就是petcock，它是一种小而重要的阀门，用于控制流体的流动。理解petcock的目的和功能可以大大增强一个人对机械系统的知识，特别是在汽车和管道应用中。petcock通常是一个手动阀门，允许在系统中排放或填充液体。它通常出现在散热器、油箱和热水器上。petcock的设计通常包括一个可以旋转的把手，用于打开或关闭阀门，从而精确控制液体的流动。这一特性在需要管理潜在危险材料的流动或执行维护任务的情况下尤为重要。例如，在汽车环境中，petcock通常用于从散热器中排放冷却液。这在进行维修或更换冷却液时是必不可少的，因为它可以防止溢出并确保系统能够得到适当的服务。通过将petcock转到打开位置，机械师可以安全地将冷却液流出，流入容器，最大限度地减少杂乱和对环境的影响。在管道中，petcock也起着类似的作用。它们可用于从管道或设备中排水，使其更容易进行维修或更换，而不会导致洪水或水损坏。例如，如果房主需要更换热水器，他们可以使用petcock完全排空水箱，然后再断开连接。这不仅使过程更干净，而且更安全，因为它减少了水溢出到电气组件上的风险。petcock的多功能性不仅限于汽车和管道应用。它还用于各种工业环境中，在这些环境中，控制液体流动对于安全和效率至关重要。在化学加工厂中，例如，petcock可以用于管理腐蚀性或危险物质的流动，确保工人在保持系统完整性的同时可以安全操作。尽管petcock很重要，但在维护检查中有时会被忽视。定期检查和维护这些阀门对于确保它们正常工作至关重要。故障的petcock可能导致泄漏、溢出甚至系统中的灾难性故障。因此，了解如何识别和维护petcock对于任何参与机械或管道工作的人来说都是至关重要的。总之，petcock是各种机械和管道系统中一个小而重要的组件。它控制流体流动的能力使其在日常维护任务和专业工业应用中都具有不可估量的价值。通过深入了解petcock是什么以及它如何运作，个人可以提高在故障排除和服务机械系统方面的技能。无论你是经验丰富的机械师还是DIY爱好者，认识到petcock的作用都能在任何环境中实现更高效和更安全的操作。