variable potential source
... variable frequency source 变频电源 variable potential source 可调电压源 Variable leak gas source 发明名称 ...
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The results show that there is great energy saving potential for this novel variable capacity air source heat pump system and it can be used in more cold districts.
模拟结果显示了该新型变浓度容量调节系统具有较大的节能潜力，表明该变浓度热泵系统能在更寒冷的地区得到应用。
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