1) pre-feed water ball-shaped system
预加水成球系统
1.
This paper described a microcomputer controlled pre-feed water ball-shaped system.
采用STD总线工控机实现了预加水成球系统微机自动控制，介绍了系统的软件和硬件设计。
2) water preadding and ball forming
预加水成球
1.
The water preadding and ball forming system of cement factory based on nuclear scale has been developed.
研制了以核子秤计量和控制的水泥厂预加水成球系统。
3) blending water system
加水系统
4) Prefabricated post systems
预成桩系统
5) hydrotreating preheating system
加氢预热系统
6) prestressing system
预加应力系统
补充资料：水下球
见潜水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条