在眩晕病因的诊断中,TCD检查基底动脉血流速度缺乏特异性;
This paper discusses the flow velocity and concentration fields in the cyclone separator.本文论述了旋风分离器的速度场和浓度场。
The invention discloses a heat measuring type and anemometer integrated flow velocity transducer.本发明公开了一种测热型和风速计一体化流速传感器。