In the energy demand the severe situation, China building energy consumption is rising year by year, the total amount of energy conservation of the building plan call China is particularly strong.
在能源需求日益严峻的形势下，中国建筑能耗总量逐年上升，对中国建筑节能方案的呼唤尤为强烈。
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。
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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