查看会员资料
用 户 名：l*****
发送消息- Email：用户隐藏
- Icq/MSN：
- 电话号码：
- Homepage：
- 会员简介：
最新会员发布资源
Pipelineissue
- 输油管道问题，有N口油井，选择一条主输油管道使得N口油井到他的距离最短，且计算最短距离之和-Pipeline issue, there are N wells, select a main oil pipeline makes N wells to his distance from the shortest, and the calculation of the shortest distance and the