The regularity of technical requirements for heat treatment of powershovels are investigated on the basis of licenced technique from P & H, U. S. A.
根据引进美国P&H公司挖掘机制造技术，探讨了大型挖掘机零件热处理技术要求的规律性。
2
The hardware composition and the software structures of the managing system of the power consumption of electric shovels are concerned in this paper.
本文重点介绍了电铲能耗数据管理系统的硬件组成和软件结构。
3
The system is based on the power consumption of electric shovels. The power measurement device is developed, which can exactly measure the value of the power consumption of electric shovels.