Also,because there are some differences in two ducts,the dynamic error of pressure drop measurement exists when the sum of the pressure in two duct inlets is fluctuated.

• 由于实际中存在两引压管路的不一致，两引压管入口端压力之和的脉动将影响差压检测(表现为压力脉动影响系数)而产生一定的动态误差。