如何合理控制氧枪冷却供水系统，使其始终工作在最佳节能状态成为一个值得重视的问题。
It becomes a noticeable problem gradually How to control in reason the oxygen lance cooling-water supply system, making it work always in the best economy energy.
CO2在跨临界循环状态，气体冷却器中存在的温差大，更使它在热泵热水系统中得到了广泛的应用。
Underits trans-critical cycle, there appears a large temperature glide at the cooler rejection, which makes CO2 have a wide application in the water heater.
CO2在跨临界循环状态，气体冷却器中存在的温差大，更使它在热泵热水系统中得到了广泛的应用。
Underits trans-critical cycle, there appears a large temperature glide at the cooler rejection, which makes CO2 have a wide application in the water heater.
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