nominal size

简明释义

公称尺寸

英英释义

例句

1.The nominal size of the electrical conduit is important for ensuring compatibility with connectors.

电气导管的名义尺寸对于确保与连接器的兼容性非常重要。

2.In construction, the nominal size of lumber often differs from its actual dimensions.

在建筑中，木材的名义尺寸通常与其实际尺寸不同。

3.For plumbing, understanding the nominal size helps in selecting the right fittings.

对于管道系统，理解名义尺寸有助于选择合适的配件。

4.When ordering steel beams, make sure to specify the nominal size for accurate delivery.

在订购钢梁时，请确保指定名义尺寸以确保准确交付。

5.The pipe has a nominal size of 2 inches, which means it is designed to fit standard fittings.

这根管道的名义尺寸为2英寸，这意味着它的设计可以适配标准配件。

作文

In the world of manufacturing and engineering, precision is key. One term that often comes up in these fields is nominal size. The concept of nominal size refers to a theoretical or ideal measurement of an object, which serves as a standard reference point. It is important to understand that the nominal size does not necessarily reflect the actual dimensions of the object. Instead, it provides a baseline for comparison and helps in the design and production processes.For example, consider a pipe with a nominal size of 2 inches. This does not mean that the pipe is exactly 2 inches in diameter. In reality, the actual diameter may be slightly different due to manufacturing tolerances. The nominal size serves as a convenient label that simplifies communication among engineers and manufacturers, allowing them to refer to sizes without needing to specify exact measurements every time.Understanding nominal size is essential for anyone involved in design and construction. When engineers plan a project, they must take into account the nominal size of materials to ensure everything fits together correctly. For instance, if a building requires pipes with a nominal size of 4 inches, the engineers will order materials based on that specification, even though the actual size may vary slightly.Moreover, the use of nominal size extends beyond just pipes. It is also prevalent in various industries such as woodworking, textiles, and even food production. In woodworking, lumber is often sold by nominal size, which can differ from the actual dimensions after the wood has been processed. For example, a piece of lumber labeled as a 2x4 is actually smaller than those dimensions when measured.The significance of nominal size also lies in its role in standardization. By establishing a common understanding of sizes, industries can streamline their processes, reduce confusion, and improve efficiency. This is particularly important in global markets where products are manufactured in different countries with varying standards.However, relying solely on nominal size can lead to complications if not properly understood. Miscommunication regarding the actual size of a product can result in mistakes during assembly or installation. For example, if a contractor orders fittings based on a nominal size without confirming the actual dimensions, they may find that the components do not fit together as intended.In conclusion, the term nominal size plays a crucial role in various industries, serving as a standard reference point for measurements. While it simplifies communication and aids in design and production, it is vital for professionals to recognize the difference between nominal size and actual dimensions. By doing so, they can avoid potential pitfalls and ensure the success of their projects. Understanding the nuances of nominal size is essential for achieving precision and efficiency in any manufacturing or engineering endeavor.

在制造和工程的世界中，精确性是关键。一个经常出现的术语是名义尺寸。名义尺寸的概念指的是物体的理论或理想测量值，作为标准参考点。重要的是要理解，名义尺寸并不一定反映物体的实际尺寸。相反，它提供了一个比较的基准，有助于设计和生产过程。例如，考虑一根标称为2英寸的管道。这并不意味着管道的直径正好是2英寸。实际上，由于制造公差，实际直径可能会稍有不同。名义尺寸作为一个方便的标签，简化了工程师和制造商之间的沟通，使他们能够在每次提及尺寸时无需指定确切的测量值。理解名义尺寸对于任何参与设计和施工的人来说都是至关重要的。当工程师计划项目时，他们必须考虑材料的名义尺寸，以确保一切能够正确配合。例如，如果一栋建筑需要标称为4英寸的管道，工程师将根据该规格订购材料，即使实际尺寸可能略有不同。此外，名义尺寸的使用不仅限于管道。在木工、纺织品甚至食品生产等多个行业中也很普遍。在木工中，木材通常按名义尺寸出售，这在经过加工后可能与实际尺寸有所不同。例如，标记为2x4的木材在测量时实际上会小于这些尺寸。名义尺寸的重要性还在于其在标准化中的作用。通过建立对尺寸的共同理解，各行业可以简化流程，减少混淆，提高效率。这在全球市场中尤为重要，因为产品是在不同国家制造的，标准各异。然而，单靠名义尺寸可能会导致复杂情况，如果没有正确理解。关于产品实际尺寸的误传可能导致组装或安装过程中出现错误。例如，如果承包商根据名义尺寸订购配件，而没有确认实际尺寸，他们可能会发现组件无法如预期那样配合。总之，术语名义尺寸在各个行业中发挥着至关重要的作用，作为测量的标准参考点。虽然它简化了沟通并有助于设计和生产，但专业人士必须认识到名义尺寸与实际尺寸之间的区别。通过这样做，他们可以避免潜在的陷阱，确保项目的成功。理解名义尺寸的细微差别对于在任何制造或工程工作中实现精确和效率至关重要。