ine, the auxiliary engine movement operating mode change, the gathering temperature, the pressure and soon the many kinds of coefficient of variation, then through the load putation, the change system freezing water current capacity, the cooling water current capacity and the cooling tower air blower amount of wind adapts the air conditioning load change, simultaneously causes the main engine movement operating mode throughout tobe in optimized in the best operating point. Generally when full load pumping machine needs the full speed movement, has not conserved energy the space, but uses the redundant technology and the frequency conversion technology unifies, the proportioning pump and the variable displacement pump coordinate,it is the truths.To freezes the aqueous system to use the best
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