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- At last, considering the environmental protection and reducing the cost, this paper processes a primary discussion on the question of using a kind of natural refrigerant R600a or some mixing refrigerant to replace the refrigerant R134a. 最后,从环境保护和降低成本的角度出发,本文就SC6350空调系统采用天然工质R600a以及采用价格低、环保性能达标的混合工质MTL-1替代目前使用的“绿色”制冷剂R134a进行了初步的探讨。
- As the natural refrigerant, CO2 takes a prominent environmental advantage over the freon refrigerants. 作为自然工质,CO2在氟利昂制冷剂替代中具有突出的环保优势。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
- All nature seemed pregnant with life. 整个大自然似乎充满了活力。
- Studied thermal properties and cycle charactes of the CO_2 natural refrigerant in order to make CO_2 transcritical cycle more perfectly and to substitute for CFCs and HCFCs refrigerants. 对自然工质CO_2的热力性质、循环特性进行分析研究,以求进一步完善R744循环,以替代CFCs和HCFCs制冷工质。
- He knows nothing of the nature of my work. 他一点也不了解我的工作性质。
- The girl is of a confiding nature. 这女孩具有轻信别人的性格。
- We enjoyed the beauty of nature. 我们欣赏大自然的美。
- It will take time to replace HFCs by more preferable substances such as natural refrigerants. 因此,深入了解这些常用制冷剂的基本热物理性质不仅对于完善现有物质的基础实验数据具有重要意义,而且也是今后制冷剂替代研究的基础。
- Perhaps it is our human nature to be nostalgic. 也许是人类天生有一种思古之幽情。
- She had an eye for the beauty of nature. 她有鉴赏自然美的眼力。
- She hasn't much feeling for the beauty of nature. 她对大自然的美缺少鉴赏力。
- Her sad looks reflected the nature of her thoughts. 她面带忧伤显出心事重重。
- On the basis of theoretical and experimental study of the Reverse-Brayton Cycle with binary natural refrigerants, this study was put forward. 在二元天然工质应用于逆向布莱顿循环的理论与实验研究基础上,提出了本课题。
- It is one of the strangest things in nature. 那可真是奇怪的东西之一。
- Nature seems to be wakened from a deep sleep. 大自然好像从沉睡中被唤醒。
- I think we shall drink to the bounty of nature. 我想我们应该为造物主的慷慨赐予而乾杯。
- Human nature revolts at such a crime. 人性厌恶这样的罪行。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- Miracles are contrary to nature. 奇迹是与大自然的力量相对的。