bottom pouring

简明释义

下铸法

英英释义

例句

1.The bartender demonstrated the bottom pouring method to create a perfect pour.

调酒师演示了底部倒酒的方法，以创造完美的倒酒效果。

2.Using bottom pouring, the beer maintains its carbonation better than with traditional pouring.

使用底部倒酒，啤酒的碳酸度比传统倒酒方法保持得更好。

3.Many craft brewers prefer bottom pouring for its ability to produce a creamy head.

许多精酿啤酒师更喜欢底部倒酒，因为它能产生丰富的泡沫。

4.During the tasting event, the expert explained how bottom pouring affects the beer's aroma.

在品酒会上，专家解释了底部倒酒如何影响啤酒的香气。

5.The brewery uses bottom pouring technique to enhance the flavor of their stout.

酿酒厂使用底部倒酒技术来增强他们黑啤的风味。

作文

The process of metal casting is a fascinating blend of science and art. One of the techniques used in this field is known as bottom pouring, which has revolutionized the way metals are poured into molds. This method involves pouring molten metal from the bottom of a ladle, rather than the top. The primary advantage of bottom pouring (底部浇注) is that it minimizes the oxidation of the metal and reduces the inclusion of impurities, resulting in higher quality castings. In traditional top pouring methods, the metal is poured from above, which can introduce contaminants from the atmosphere and lead to defects in the final product. However, with bottom pouring, the molten metal is directed straight into the mold, allowing for a cleaner and more controlled pour. This technique is particularly beneficial when working with high-quality alloys or when producing components that require precise specifications.Moreover, bottom pouring (底部浇注) can significantly improve the efficiency of the casting process. By reducing the turbulence that often accompanies top pouring, the flow of metal is steadier, which helps to ensure that the mold fills evenly. This not only speeds up production times but also enhances the overall integrity of the cast product. Another important aspect of bottom pouring is its impact on the cooling rates of cast metals. When the metal is poured from the bottom, it tends to cool more uniformly, which can help prevent issues such as warping or cracking during the solidification process. This uniform cooling is essential for maintaining the desired mechanical properties of the finished piece.In addition to these benefits, bottom pouring (底部浇注) is also more adaptable to various types of molds and casting scenarios. It can be used in both sand casting and investment casting processes, making it a versatile choice for manufacturers. Whether creating large structural components or intricate designs, this method provides a reliable solution that meets the demands of modern engineering.As industries continue to evolve, the importance of adopting advanced techniques like bottom pouring cannot be overstated. With the growing emphasis on sustainability and efficiency, manufacturers are increasingly looking for ways to optimize their processes. By incorporating bottom pouring (底部浇注) into their operations, companies can not only enhance the quality of their products but also reduce waste and energy consumption. In conclusion, bottom pouring is a critical technique in the field of metal casting that offers numerous advantages over traditional pouring methods. Its ability to produce cleaner, more consistent castings while improving efficiency and adaptability makes it an invaluable tool for manufacturers. As technology continues to advance, it will be exciting to see how bottom pouring (底部浇注) evolves and contributes to the future of casting processes.