The dynamic pressure of drill bit,etc. ,has been measured and analysed in test drill rig by using pressure transducer dynamic strain analyzer,charge amplifier and CRAS random signal and vibration analysis system.

• 本文在试验台架上安装压力传感器、利用动态应变仪、电荷放大器以及 CRAS随机信号和振动分析系统进行了钻头动态压力测试和分析。