underspeed pressure differential 低速压力差

underspeed throat pressure 降速喉颈部压力

underspeed signal pressure check 降速信号压力检查

underspeed signal pressure 降速信号压力

underspeed upstream signal pressure 降速上流信号压力

underspeed upstream pressure 降速的上流压力

underspeed differential pressure 低速压差

underspeed valve throat pressure tap 降速阀喉颈部测压孔

underspeed valve throat pressure 降速阀喉颈部压力