In the middle-late stages of production, as the deepening of the oil field development, the marginaloperation output decrease, the cost increases, and the investment increase, too.
This paper discusses the theory of destabilized operation of earthmoving machinery and describes the dynamic analysis of marginaloperation conditions. A simple calculation method is given.
本文探讨了铲土运输机械作业稳定性的失稳机理，对机械作业的极限工况进行了动态分析，并给出了简便算法。
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In order to achieve the best operating result at the least cost, the marginal cost of administrative law operation should be studied.