谷物联合收获机传统的冷却方式是由发动机曲轴以定传动比形式驱动冷却风扇和水泵运转的，这种冷却方式经常出现低速大负荷时冷却不足、高速小负荷时冷却过度等问题。
The driven force of fan and pump in the traditional way of the cooling system in cereal combining harvesters comes from crankshaft of the engine by decided transmission ratio.
采用风扇自动控制技术与温度传感器集成电路，不仅可以节约成本，而且减少噪音污染，是高速芯片冷却技术的发展趋势。
Temperature sensor and automatic fan control technique integrated circuit is the development tends in cooling high-speed chips. It can not only subtract costs, but also reduce the pollution of noise.
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