For long term consideration, natural refrigerant is the most satisfied substitutes.
从长远角度考虑，自然工质替代人工工质已经成为必然。
The thesis studied the situation of performance matching for natural refrigerant propane (R290) instead of R22 in minitype room air conditioners.
本文研究了自然工质丙烷(R290)替代r 22在小型家用空调的性能匹配情况。
As an increasing need for protecting the environment, a new type of the heat pump water heater with the natural refrigerant CO_2 will appear in water heater market.
随着人们环保意识的增强，以天然制冷剂CO_2为工质的热泵热水器将作为一种新型产品进入热水器市场。
Through comparing CO2 with other refrigerants, the advantages of CO2 as a natural refrigerant are due to its environmental benign and good thermal properties in the automobile air-condition system.
在汽车空调中，具有对环境友好性和优良的热物理特性的天然工质CO2与其他制冷剂相比有独特优势。
Analysis results and Suggestions have important reference value for the application of natural replacement refrigerant to ships.
分析结果和建议对于天然替代制冷剂在船舶上的应用具有重要参考价值。
DZL horizontal automatic chain type coal-fired steam boiler for horizontal packaged water fire tube boiler, refrigerant natural circulation.
DZL卧式自动链条燃煤、燃生物质蒸汽锅炉型式为卧式快装水火管锅炉、工质自然循环。
A colorless, odorless gaseous alkane, C2H6, that occurs as a constituent of natural gas and is used as a fuel and a refrigerant.
乙烷一种无色无味的气态链烷，分子式为c2h6，是天然气的组成成分，可用作燃料或。
A colorless, odorless gaseous alkane, C2H6, that occurs as a constituent of natural gas and is used as a fuel and a refrigerant.
乙烷一种无色无味的气态链烷，分子式为c2h6，是天然气的组成成分，可用作燃料或。
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