valves

简明释义

英[vælvz]美[vælvz]

n. [机]阀门；[解剖]瓣膜（valve 的复数）；真空管

v. 装阀于……；以活门调节（valve 的三单形式）

英英释义

单词用法

同义词

反义词

例句

1.Valves and gauges.

阀门和开关。

2.Keeping access to valves and cleanouts.

留出阀门和清洁口的通道。

3.Decellularized porcine heart valves were prepared by using Trypsin-ethylenediamine tetraacetic acid and DNase.

利用胰酶-乙二胺四乙酸、核酸酶处理猪心瓣膜制备脱细胞支架。

4.These WATTS valves should never be used to provide "anti-scald" or "anti-chill" service.

这些美国瓦茨阀门绝不能用来提供“防烫伤”或“防冻伤”功能。

5.It did in Braidwood, from I think they had leakage in some of their vacuum valves on the secondary side.

我认为它们在次级侧的某些真空阀中有泄漏，这是在布雷德伍德所做的。

6.At each stage, tiny valves released the appropriate salt, bile and enzymes, which helped to digest the food.

在每个阶段中，都有合适的盐、胆汁和酶通过细导管加入到该过程中帮助消化食物。

7.The doctor used a stethoscope to listen to the heart valves 瓣膜 for any irregularities.

医生用听诊器听心脏的瓣膜 瓣膜是否有任何不规则。

8.The car's engine has several valves 气门 that regulate the intake and exhaust of gases.

汽车的发动机有几个气门 气门来调节气体的进排气。

9.In this model, the valves 阀门 open and close automatically based on pressure changes.

在这个模型中，阀门 阀门根据压力变化自动开关。

10.The engineer explained how the valves 阀门 control the flow of water in the pipeline.

工程师解释了如何通过阀门 阀门控制管道中的水流。

11.Regular maintenance of the valves 阀门 is crucial to prevent leaks in the system.

定期维护阀门 阀门对于防止系统泄漏至关重要。

作文

In the world of engineering and mechanics, the term valves refers to devices that regulate the flow of fluids (liquids or gases) within a system. These essential components are found in a variety of applications, from household plumbing to complex industrial machinery. Understanding how valves work is crucial for anyone involved in these fields, as they play a significant role in maintaining efficiency and safety.The basic function of a valve is to open or close a passageway, allowing or preventing the flow of fluid. There are several types of valves, each designed for specific purposes. For example, a gate valve is used to start or stop the flow completely, while a globe valve is typically used for regulating flow. Other types include ball valves, butterfly valves, and check valves, each with unique characteristics suited for different applications.One of the most common places where valves can be found is in our homes. The faucets we use in our kitchens and bathrooms contain valves that control the flow of water. When we turn the handle, we are essentially opening or closing a valve, which allows water to flow through the pipes. Similarly, toilets utilize valves to manage the flushing mechanism, ensuring that water is only released when necessary.In industrial settings, valves are even more critical. They are used in pipelines to transport oil, gas, and chemicals. In these cases, valves must be able to withstand high pressures and corrosive substances. Therefore, materials and designs are chosen carefully to ensure durability and reliability. For instance, a ball valve is often favored in such environments due to its ability to provide a tight seal and quick operation.Moreover, valves also play a vital role in safety systems. In many industrial processes, pressure relief valves are installed to prevent explosions or equipment failures. These valves automatically release pressure when it exceeds a certain threshold, safeguarding both personnel and equipment.The importance of valves extends beyond their mechanical functions; they are also integral to environmental protection. For example, in wastewater treatment facilities, valves help control the flow of sewage and treated water, ensuring that pollutants do not escape into the environment. This highlights the role of valves in promoting sustainability and protecting natural resources.In conclusion, valves are fundamental components in various systems, playing a crucial role in controlling the flow of fluids. Their diverse applications range from everyday household uses to critical industrial processes. By understanding how valves function and their significance, we can appreciate the intricate systems that support our daily lives and industries. As technology advances, the design and materials used for valves continue to evolve, promising even greater efficiency and safety in the future.

在工程和机械的世界中，术语valves指的是调节系统内流体（液体或气体）流动的装置。这些基本组件存在于各种应用中，从家庭管道到复杂的工业机械。理解valves的工作原理对任何参与这些领域的人来说都是至关重要的，因为它们在维持效率和安全方面发挥着重要作用。valve的基本功能是打开或关闭通道，允许或阻止流体的流动。有几种类型的valves，每种设计用于特定的目的。例如，闸valve用于完全开启或停止流动，而球形valve通常用于调节流量。其他类型包括蝶阀、截止阀和止回阀，每种都有独特的特性，适合不同的应用。在我们家中，valves最常见的地方就是水龙头。我们在厨房和浴室使用的水龙头包含valves，用来控制水的流动。当我们转动手柄时，我们实际上是在打开或关闭一个valve，这允许水通过管道流动。同样，厕所也利用valves来管理冲洗机制，确保水仅在必要时释放。在工业环境中，valves更为关键。它们用于运输石油、天然气和化学品的管道。在这些情况下，valves必须能够承受高压和腐蚀性物质。因此，材料和设计被仔细选择，以确保耐用性和可靠性。例如，球阀在这种环境中通常更受欢迎，因为它能提供紧密密封和快速操作。此外，valves在安全系统中也发挥着重要作用。在许多工业过程中，安装有压力释放valves以防止爆炸或设备故障。这些valves在压力超过某一阈值时会自动释放压力，从而保护人员和设备的安全。valves的重要性不仅限于其机械功能；它们也是环境保护的重要组成部分。例如，在废水处理设施中，valves帮助控制污水和处理水的流动，确保污染物不会泄漏到环境中。这突显了valves在促进可持续发展和保护自然资源方面的作用。总之，valves是各种系统中的基本组成部分，在控制流体流动方面发挥着至关重要的作用。它们的多样化应用范围从日常家庭用途到关键的工业过程。通过理解valves的功能及其重要性，我们可以欣赏到支持我们日常生活和工业的复杂系统。随着技术的发展，valves的设计和材料也在不断演变，未来将带来更高的效率和安全性。