refrigerating machine

简明释义

冷藏设备

英英释义

例句

1.We had to repair the refrigerating machine when it stopped cooling properly.

当制冷机停止正常制冷时，我们不得不进行维修。

2.The restaurant invested in a new refrigerating machine to keep their ingredients fresh.

这家餐厅投资了一台新的制冷机以保持食材的新鲜。

3.He learned how to operate the refrigerating machine during his training.

他在培训期间学会了如何操作制冷机。

4.The refrigerating machine in our laboratory is essential for storing samples.

我们实验室的制冷机对存储样本至关重要。

5.During the summer, the refrigerating machine works overtime to maintain the cold temperature.

在夏天，制冷机加班工作以维持低温。

作文

In today's modern world, the importance of technology in our daily lives cannot be overstated. One of the most significant inventions that have greatly impacted our lifestyle is the refrigerating machine. This device has revolutionized how we store and preserve food, making it an essential appliance in households and businesses alike. The refrigerating machine is designed to remove heat from a designated area and maintain a lower temperature, which helps in slowing down the growth of bacteria and prolonging the freshness of perishable items.Historically, the concept of refrigeration dates back to ancient civilizations, where they used ice and snow to keep their food cool. However, with the advent of the industrial revolution and advancements in technology, the refrigerating machine became a practical solution for food preservation. Today, these machines come in various sizes and types, including domestic refrigerators, commercial freezers, and industrial chillers.The functionality of a refrigerating machine is based on the principles of thermodynamics. It operates using a refrigerant, a substance that can absorb and release heat as it circulates through the system. The major components of a refrigerating machine include the compressor, condenser, expansion valve, and evaporator. The compressor compresses the refrigerant gas, raising its pressure and temperature. The hot gas then passes through the condenser, where it releases heat and condenses into a liquid. After that, the liquid refrigerant goes through the expansion valve, where it expands and cools down before entering the evaporator, where it absorbs heat from the surroundings, thus providing the cooling effect.The impact of the refrigerating machine on food safety cannot be ignored. With the ability to keep food at safe temperatures, it has significantly reduced the incidence of foodborne illnesses. Consumers can store leftovers, fresh produce, and dairy products for longer periods without worrying about spoilage. In addition, the refrigerating machine has enabled restaurants, grocery stores, and food manufacturers to maintain the quality and safety of their products, ensuring that customers receive fresh and safe food options.Moreover, the refrigerating machine plays a crucial role in various industries beyond food preservation. For instance, in the pharmaceutical industry, refrigeration is vital for storing medications and vaccines that require specific temperature conditions. Similarly, in laboratories, certain experiments and samples need to be kept at low temperatures to ensure accurate results and prevent degradation.As we move towards a more sustainable future, innovations in refrigeration technology are also emerging. Energy-efficient refrigerating machines are being developed to reduce electricity consumption and minimize environmental impact. These machines utilize advanced insulation materials and eco-friendly refrigerants, contributing to a greener planet.In conclusion, the refrigerating machine is an indispensable part of modern life, influencing not only how we store food but also how various industries operate. Its development has led to improved food safety, enhanced convenience, and increased efficiency across multiple sectors. As technology continues to advance, we can expect even more innovative solutions in refrigeration, ultimately benefiting both consumers and the environment.

在当今现代社会，技术在我们日常生活中的重要性不容小觑。其中一个对我们生活方式影响深远的发明就是制冷机。这一设备彻底改变了我们存储和保存食物的方式，使其成为家庭和企业中不可或缺的电器。制冷机旨在从指定区域移除热量并保持较低的温度，这有助于减缓细菌的生长并延长易腐食品的新鲜度。历史上，制冷的概念可以追溯到古代文明，当时人们利用冰雪来保持食物的凉爽。然而，随着工业革命的到来和技术的进步，制冷机成为食品保存的实用解决方案。如今，这些机器有各种尺寸和类型，包括家用冰箱、商用冷冻柜和工业冷却器。制冷机的功能基于热力学原理。它通过使用制冷剂，一种能够在循环过程中吸收和释放热量的物质来工作。制冷机的主要组件包括压缩机、冷凝器、膨胀阀和蒸发器。压缩机压缩制冷剂气体，提高其压力和温度。然后，热气体通过冷凝器，释放热量并凝结成液体。之后，液态制冷剂经过膨胀阀，膨胀并降温，然后进入蒸发器，在那里吸收周围环境的热量，从而提供冷却效果。制冷机对食品安全的影响不容忽视。能够保持食品在安全温度下，使得食物中毒事件的发生显著减少。消费者可以将剩菜、新鲜农产品和乳制品存放更长时间，而无需担心变质。此外，制冷机使餐馆、杂货店和食品制造商能够维持其产品的质量和安全性，确保顾客获得新鲜安全的食品选择。此外，制冷机在食品保存之外的各个行业也发挥着至关重要的作用。例如，在制药行业，制冷对于存储需要特定温度条件的药物和疫苗至关重要。同样，在实验室中，某些实验和样本需要保持在低温下，以确保准确的结果并防止降解。随着我们向更可持续的未来迈进，制冷技术的创新也在不断涌现。节能型制冷机正在开发中，以减少电力消耗并最小化环境影响。这些机器采用先进的绝缘材料和环保制冷剂，为保护地球做出贡献。总之，制冷机是现代生活中不可或缺的一部分，不仅影响着我们存储食物的方式，也影响着各个行业的运作。它的发展改善了食品安全，提高了便利性，并在多个领域增加了效率。随着技术的不断进步，我们可以期待在制冷方面出现更多创新解决方案，最终惠及消费者和环境。