hydraulic jar meaning in Chinese

水力震击器
液压振击器

Due to the electrohydraulic servo mechanism was used to drive the motion deck of the semi - physical simulator on the ground . therefore , the model of electrodraulic servo mechanism was built based on the fundamental equations of hydraulic jar and servo valve
由于空间对接机构地面半物理仿真系统采用电液伺服驱动机构,因此本文根据电液伺服驱动机构的基本方程,建立单缸电液伺服驱动机构的模型。