oil circulation cooling

基本解释

The generator's thrust bearing of Lijiaxia Hydropower Station adopts the oil-circulation cooling way of thrust external-circulation.
李家峡水电厂发电机推力轴承采用推力外循环油循环冷却方式。
Since primary transformer of electric locomotive adopts the forced oil-circulation cooling method, its heating computation is rather complicated and difficult.
电力机车主变压器采用强迫油循环吹风冷却方式，其发热计算较为复杂和困难。
The cooling method of nature oil circulation is not only widely used in small-middle type power transformer, but also used in large type power transformer with low load and low ambient temperature.
自然油循环的冷却方式不仅广泛应用于电力网中的中小型电力变压器，也会在在大型电力变压器低负荷和低环境温度时应用。