【摘要】 对三种进口液压注浆泵主油缸和分配阀油缸自动顺序换向系统从原理和特点及适用性方面做出了分析和研究。更多还原

【Abstract】 This paper analyzed and studied three kinds of automatic reversing system of imported hydraulic grouting pump,the main cylinders and the cylinders of distributing valve in term of their principles, characteristics and applicabilities.更多还原