成考院校在线答案
- 2023-02-12 [多选] <p class="MsoNormal">27、<span style="font-family:黑体">竖井开拓技术是地下矿山重要的开拓方法之一，其中常见的开拓方案有：（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）和穿过矿体的竖井开拓。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">31、<span style="font-family:黑体;color:black;mso-themecolor: text1">从主井向边界方向开采是后退式开采。</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;font-family:黑体"> <o:p></o:p></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">33、<span style="mso-bidi-font-size:10.5pt;font-family:黑体; mso-font-kerning:12.0pt;mso-bidi-font-weight:bold">随着技术经济的发展而变化的，总的来说，矿体、矿石的范围是<span style="color:black;mso-themecolor:text1">不变</span>的。</span><span lang="EN-US" style="font-family:黑体;color:red"> <o:p></o:p></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">33、<span style="mso-bidi-font-size:10.5pt;font-family:黑体; mso-bidi-font-family:"Times New Roman"">折返式斜坡道通风条件比螺旋式斜坡道好。</span><span lang="EN-US" style="font-family:黑体;color:red"> <o:p></o:p></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">32、<span style="mso-bidi-font-size:10.5pt;font-family:黑体; mso-bidi-font-family:"Times New Roman"">设计铲运机出矿巷道时，应尽量使铲运机在直线段上铲装。</span><span lang="EN-US" style="font-family:黑体;color:red"> <o:p></o:p></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">37、<span style="font-family:黑体;mso-font-kerning:12.0pt; mso-bidi-font-weight:bold">围岩是指矿体周围与矿体接触且<span style="color:black;mso-themecolor: text1">不含矿物</span>的那部分岩体。</span><span lang="EN-US" style="font-family:黑体; color:red"> <o:p></o:p></span></p>
- 2023-02-12 [多选] <p class="MsoNormal" style="mso-pagination:widow-orphan">25、<span style="font-family:黑体">影响采矿方法选择的特殊要求包括（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:黑体;color:red;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2023-02-12 [多选] <p class="MsoNormal">26、<span style="font-family:黑体">采准、切割所需凿岩机台数的计算应考虑（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">35、<span style="font-family:黑体">矿床开拓是从<span class="GramE">从</span>地表掘进一系列巷道到达矿体<span lang="EN-US">,</span>建立地表与矿体的通路<span lang="EN-US">,</span>建立提升、运输、通风、充填、供电、供水、供风、行人等系统。<span lang="EN-US" style="color:red"> <o:p></o:p></span></span></p>
- 2023-02-12 [判断] <p class="MsoNormal">37、<span style="font-family:黑体">竖井提升能力大，为一般矿山所采用。<span lang="EN-US" style="color:red"> <o:p></o:p></span></span></p>