文档介绍:河北工程大学毕业设计说明书-1- 目录前言····························································································· 1 中文摘要······················································································· 1 英文摘要······················································································· 2 第 1章矿区概述及井田特征···························································· 3 第 节矿区概述···································································· 3 第 节井田地质特征······························································ 6 第 节煤层特征·················