helipumper

The performance, purposes and properties of composite of little eagle single seat light helicopter are introduced and discussing some questions in the process of composite parts research.

介绍了雏鹰-100单座轻型直升机的性能、用途、该机用复合材料的特点，并对部件研制过程中出现的几个问题进行了探讨，找出影响其质量的因素及解决方法。

We introduced the control system of the depurative transportation manipulator in the point of it s whole structure and it s principal and subordinate configure.

介绍净化搬运机械手的总体结构和主从配置的控制系统。

Mechanism of uplift deformation of the dam foundation of Jiangya reservior and the nearby mountains;

江垭水库大坝及近坝山体抬升变形机理