The diffuser of mine main fan is a device to use reducing velocity pressure of outlet, increase static pressure and recovery kinetic energy.
矿井主扇扩散器是用来降低出口速压以提高风机静压而回收风机出口动能的装置。
One of these kinetic models is the geologic strata pressure with productive time variety, which will change the traditional static optimization allocation.
其中地层压力随生产时间变化的动态模型，将改变传统的气井静态配产方法。
The diffuser of mines main ventilator is a device to reduce kinetic pressure at outlet, raise static pressure of ventilator and recover kinetic energy at outlet.
矿井主扇扩散器是用来降低出口动压以提高风机静压而回收风机出口动能的装置。
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