screw pump meaning in English
螺旋泵；螺杆泵
Examples
- Pumping stations ; archimedian screw pumps ; directives for planning
泵站.螺旋泵 - Linetype design of triple helix single screw pump based pro e
的三头单螺杆泵线型设计 - Oil recovery technique of rotary screw pump in directional - wells
定向井螺杆泵采油技术 - Testing methods for marine electric three - spindle screw pump
船用电动三螺杆泵试验方法 - Types and basic parameters of single screw pumps
单螺杆泵型式与基本参数