The work principles, main structure, technical parameters, main features, application cases, market prospect, of casting pump SYB - 100/100 with double hydraulic speed change ratio were introduced.

• 介绍了SYB-100/100型双液变比注浆泵的工作原理、主要结构、技术参数、主要特点、使用情况及其广泛的市场前景。