For the limitations of exit static pressure of fan coil, the deviation between designed and actual resistance will impact on the wind.
风机盘管机组由于出口静压的局限性，一旦设计阻力与实际阻力有偏差，对风量会产生很大影响。
Sometimes, this increase can overcome the static pressure rating of the fan motor and reduce the volume of air through the unit.
有时候，这种增量可以克服风扇电机的静态压力，并减少系统中空气的容量。
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。
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