The engine hydraulic stepless speed regulation cooling fan changed the traditional drive type of the engine cooling fan.
发动机液压无级调速冷却风扇，改变了发动机冷却风扇的传统驱动方式。
Compared with other types of engine's cooling fan-driving system, hydraulic driving system is more reasonable.
与其它类型的发动机冷却风扇驱动相比，液驱风扇系统更合理。
Compared with other types of engine's cooling fan-driving system, hydraulic driving system is more reasonable.
与其它类型的发动机冷却风扇驱动相比，液驱风扇系统更合理。
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