pump stroke meaning in Chinese

泵冲程
泵行程

The pump stroke sensor is installed near the rotary shaft of mud pump
泵冲传感器装在钻井泵转轴附近。
From the viewpoint of sucker rod stress changing , this paper has analyzed the influence of augmenting the pump diameter , depth of pump , pumping stroke length and speed to sucker rod breaking
摘要从抽油杆应力变化的观点分析了调大抽油泵泵径、泵深和抽油机冲程、冲次对抽油杆断裂的影响。