The good administration and maintenance can ensure the Fresh Air Supplier in its high heat transfer efficiency.
良好的管理与维护，可保持该机优越的显热交换效率。
Complete combustion and high heat transfer efficiency are achieved through the strong stirring ability produced by high-speed pulse burners.
选用高速脉冲烧嘴，搅拌能力强，燃烧充分，传热效率高。
The phase-change thermal storage type water tank of the heat pump water heater has the advantages of high heat transfer efficiency and large thermal storage density.
本发明的相变储热式热泵热水器水箱具有传热效率高、储热密度大的优点。
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