refrence

Based on the foreign jointing technique between the advanced filament-wound chamber and nozzle, the paper analyzes the jointing modes between chamber and nozzle of an all-composite solid rocket motor and technical approaches, and puts forward the relevant design parameters to give a refrence to designers.

结合国外先进固体发动机纤维缠绕壳体与喷管连接的技术，分析了实现全复合材料固体发动机壳体-喷管的连接方式，技术途径，并提出了有关设计参数，可供设计人员参考。

Effective information management from superior to junior is implemented in this system, it brings leaders the convenience for decision making, and it is refrence and assistant for impactful management. Hence the problem of isolated islands is solved and information sharing is realized too.

通过该系统实现了上级对下级有效的信息监控，为各级领导科学决策提供方便，为科学管理很好的参考和辅助，较好的解决了信息孤岛的问题，实现了信息共享。

The paper introduces the classification, the working principle, the control, the composed parts the system design and examples of automatic lubricating system with fixed time and quantity. It is available for refrence in designing lubricating system for NC machines and other automatic machines.

本文介绍了自动定时定量润滑系统的分类、工作原理、控制、组成部分、系统设计及实例，可供设计数控机床和自动化机床的润滑系统时参考。