成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">40、<span style="font-size:12.0pt;font-family:黑体">矿岩抵抗外力（机械、爆破）的能力，称为矿岩的（）。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p style="margin:0cm;margin-bottom:.0001pt">36、<span style="mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font: minor-bidi">根据采矿作业情况，露天矿分为山坡露天矿和凹陷露天矿，封闭圈以下称为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">31、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">边界品位是指<span style="color:#333333;background:white">划分矿与非矿界限的（）</span><span lang="EN-US" style="background:white"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">29、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">如采掘带长度足够，且有必要，可沿全长划分为若干区段，每个区段分别配备采掘设备进行开采，称为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">33、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt; font-family:黑体;mso-bidi-font-family:"Times New Roman"">通过非工作帮最上一台阶的（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）和最下一台阶的（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）所作的假想斜面叫非工作帮坡面。</span><span lang="EN-US" style="font-family:黑体;mso-bidi-font-family:"Times New Roman""> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">30、<span style="font-size:12.0pt;font-family:黑体">（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）是水平分层的岩土剥离量与采出矿石量的比值。。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:16.0pt;mso-line-height-rule:exactly">34、<span style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman"">在开采境界内增加单位开采深度而相应增加的剥离岩石量与采出的矿石量的比值称为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。它是作为衡量延深单位开采深度时，在技术上是否可行、经济上是否合理的标准。<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p style="margin:0cm;margin-bottom:.0001pt">35、<span style="mso-bidi-font-size: 11.0pt;font-family:黑体;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font: minor-bidi">为建立地面与工作台阶之间以及各工作台阶之间的运输联系而开掘的倾斜的露天沟道，称为（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">27、<span style="font-size:12.0pt;font-family:黑体;mso-bidi-font-family: "Times New Roman";background:white">已作好采掘准备，即配备采掘设备、形成运输线路和动力供应等的采区称为（）<span lang="EN-US"> <o:p></o:p></span></span></p>
- 2022-09-12 [单选] <p style="margin:0cm;margin-bottom:.0001pt">37、<span style="font-family:黑体; mso-bidi-font-family:Arial;color:black">平台是工作平盘与地面之间的运输联系通道，其上铺设运输线路，该平台称为（）。<span lang="EN-US"> <o:p></o:p></span></span></p>