The controller adjust travel speed automatically according to load condition to realize automatic power distribution, so that operation quality is guaranteed via fully utilizing engine power.

控制器根据负载变化情况，自动调节行走速度实现功率自动分配，以充分利用发动机功率保证作业质量。

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If trouble occurs in normal operation condition, as long as the product is still within its warranty period, repair and adjust is available complimentarily, subject to present of the bills.

万一在正常使用状态下发生故障，只要该产品仍在三包期内，并能出示保修单据，则均可享受免费维修、调试服务。

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In this way, regardless of the demand of production size, the fan will run at full speed, cannot adjust accordingly along with the change of operation condition, a large amount of energy wasted.

这样，不论生产的需求大小，风机都要全速运转，不能随运行工况的变化进行相应的调节，白白浪费了大量的能量。

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