The "module arrangement counting and drawing method" introduced in this article could simplify the trial-calculation,so as to improve the work efficiency.

To speed up computation, we use Quick Sort algorithm and Insertion Sort algorithm instead of usually used Heap Sort algorithm.

Sort algorithm quality, affects the realization order of complexity directly.

This article to commonly used in sort algorithm basic philosophy analysis foundation, from algorithm stability; Algorithm in the best situation, in worst situation exchange number of times and motion number of times.

A dynamic self-adapting queuing model and the queuing algorithm were proposed.

The overseas layout algorithm for plate cutting is outlined, and its current situation in china is also discussed, the paper indicates that the trend in locomotive and rolling stock industry should be a comprehensive layout algorithms integrating the approximate, heuristic and agent algorithms.