hand -operated valve

简明释义

手动阀

英英释义

例句

1.The technician adjusted the flow using the hand-operated valve 手动阀门 to ensure optimal performance of the system.

技术员通过调整手动阀门 hand-operated valve的流量，确保系统的最佳性能。

2.Operators need to familiarize themselves with the hand-operated valve 手动阀门 before starting the machinery.

操作员在启动机械之前需要熟悉手动阀门 hand-operated valve。

3.During the maintenance check, we found that the hand-operated valve 手动阀门 was leaking and needed replacement.

在维护检查中，我们发现手动阀门 hand-operated valve漏水，需要更换。

4.The hand-operated valve 手动阀门 is located near the main pipeline for easy access.

手动阀门 hand-operated valve位于主管道附近，便于接近。

5.In case of emergency, the hand-operated valve 手动阀门 can be quickly shut off to stop the flow of gas.

在紧急情况下，可以快速关闭手动阀门 hand-operated valve以停止气体流动。

作文

In various industrial and mechanical applications, the importance of controlling fluid flow cannot be overstated. One of the most efficient ways to manage this flow is through the use of a hand-operated valve. A hand-operated valve (手动阀门) is a device that allows a user to manually control the passage of liquids or gases in a system. These valves are often used in plumbing, heating systems, and various manufacturing processes where precise control over fluid movement is necessary.The design of a hand-operated valve typically includes a handle or lever that the user can turn or pull to open or close the valve. This simple mechanism provides an effective means of regulating flow without the need for complex automation. For instance, in a water supply system, a hand-operated valve can be used to shut off the water flow during repairs or maintenance, ensuring safety and efficiency.One of the key advantages of using a hand-operated valve is its reliability. Unlike electronic or motorized valves, which can fail due to power outages or mechanical issues, a hand-operated valve relies solely on human intervention. This characteristic makes it particularly valuable in situations where immediate action is required, such as in emergency scenarios where quick access to shut off a fluid supply can prevent accidents or damage.Moreover, hand-operated valves are generally easier to maintain. They have fewer moving parts than automated systems, which reduces the likelihood of breakdowns. Regular inspections and basic maintenance, such as lubrication and cleaning, can ensure that these valves function effectively over time. As a result, industries that prioritize operational efficiency often prefer hand-operated valves for their straightforward functionality and ease of upkeep.However, there are also limitations to consider when using a hand-operated valve. The primary drawback is that they require physical effort to operate, which may not be practical in larger systems or for individuals who may have physical limitations. In such cases, automated valves might be more suitable, despite their higher initial costs and maintenance requirements.In conclusion, the hand-operated valve (手动阀门) plays a crucial role in many industrial and domestic applications. Its simplicity, reliability, and ease of maintenance make it a preferred choice for controlling fluid flow in various settings. While there are scenarios where automation is beneficial, the practicality of hand-operated valves cannot be dismissed. Understanding the function and application of these valves is essential for anyone involved in fluid management, whether in a professional capacity or for personal projects. By recognizing the strengths and limitations of hand-operated valves, users can make informed decisions that enhance the efficiency and safety of their systems.

在各种工业和机械应用中，控制流体流动的重要性不容小觑。管理这种流动的最有效方法之一是使用手动阀门。手动阀门是一个设备，允许用户手动控制系统中液体或气体的通过。这些阀门通常用于管道、供暖系统以及各种制造过程中，在这些情况下，需要精确控制流体运动。手动阀门的设计通常包括一个手柄或杠杆，用户可以转动或拉动以打开或关闭阀门。这种简单的机制提供了一种有效的方式来调节流量，而无需复杂的自动化。例如，在供水系统中，手动阀门可以用于在维修或维护期间关闭水流，以确保安全和效率。使用手动阀门的一个主要优点是其可靠性。与可能因停电或机械故障而失效的电子或电动阀门不同，手动阀门完全依赖于人工干预。这一特性使其在需要立即采取行动的情况下特别有价值，例如在紧急情况下，快速关闭流体供应可以防止事故或损坏。此外，手动阀门通常更易于维护。它们的活动部件比自动系统少，从而降低了故障的可能性。定期检查和基本维护（如润滑和清洁）可以确保这些阀门随着时间的推移有效运作。因此，优先考虑运营效率的行业通常更喜欢手动阀门，因为它们功能简单且易于维护。然而，在使用手动阀门时也需要考虑一些局限性。主要缺点是它们需要物理力量来操作，这在较大系统中或对于可能有身体限制的人来说可能不太实用。在这种情况下，尽管自动阀门的初始成本和维护要求较高，但可能更为合适。总之，手动阀门在许多工业和家庭应用中发挥着至关重要的作用。其简单性、可靠性和易于维护使其成为在各种环境中控制流体流动的首选。虽然在某些情况下自动化是有益的，但手动阀门的实用性不容忽视。了解这些阀门的功能和应用对于任何参与流体管理的人来说都是至关重要的，无论是在专业领域还是个人项目中。通过认识到手动阀门的优缺点，用户可以做出明智的决策，从而提高其系统的效率和安全性。