为了获得最小能量需求的换热器网络，可通过窄点设计法来确定是否有必要进行物流分枝。
It is necessary to select stream splits by using pinch design method in order to obtain a minimum energy requirement network.
该破碎机以低速运行，可将噪音、灰尘和能量需求减至最小，并且具有电力自动抗干扰的性能。
It operates at slow speed with minimum noise, dust and energy requirements with electrical automatic anti-jamming action.
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