:..华北理工大学露天采矿学课程设计说明书学院:矿业工程学院专业:采矿工程姓名:班级:学号:指导教师:陈超张亚宾作业人员在生产作业时必须按规定穿符合生产作业要求的工作服,袖口与腰带必须牢牢扎紧,不得穿破损工作服,-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------52、露天开采主要矿岩指标------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------15151、°方向,直距5公里,。现属于平泉县平泉镇管辖。区内有一便道与101国道相连,交通较为方便。矿区中心地理坐标为:东经118°38′22″,北纬41°00′14″。拐点XY矿区面积(km2):,属于侵蚀低山区,
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