This paper introduces various influence factors that lead to the misfire of charging delay tube for firing device of rifle grenade, and the way to solve it was found.
介绍了枪榴弹发火件装药延期管瞎火的各种影响因素，找出了解决方法，并进行试验结果分析。
2
The crystallizer consists of a cylinder which is of big top and small bottom, a focus charging cylinder, an axial flow pump and a circulating tube.
该反应结晶器由上大下小的圆筒、中心加料筒、轴流泵和循环管组成。
3
In this paper combined with actual projects the load of circle steel coal bucket, intensity and stability of tube wall and internal force of charging bucket are calculated and analyzed.