Thursday, September 15, 2022
Sunday, May 19, 2024
Sunday, May 19, 2024
Wednesday, September 28, 2022
Monday, September 12, 2022
泥石流是山区突然()、历时()、含有大量()、()、等固体物质并且有强大破坏力的特殊洪流。...
Thursday, November 23, 2023
Wednesday, March 13, 2024
岩浆沿着地壳薄弱带侵入地壳或喷出地表,温度降低,最后冷凝成的岩石称为();当岩浆喷出地表后冷凝形成的岩石称为()。岩浆在地表以下冷凝形成的岩石称为()。...
Saturday, October 21, 2023
白云鄂博H8白云岩的年龄是16亿年,它形成于()A、太古代B、元古代C、古生代D、新生代...
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Saturday, August 12, 2023
()是经变质作用形成的岩石。A、流纹岩B、石英砂岩C、大理岩D、安山岩...
Thursday, February 22, 2024
Thursday, September 15, 2022
Monday, September 12, 2022
煤巷掘进工作面实测(或预想)地质剖面中,实际揭露煤层和预想煤层的顶底板线的线型分别为()A、实线、虚线B、虚线、实线C、实线、实线D、虚线、虚线...
Sunday, January 21, 2024
根据《矿产资源法》之规定:非经国务院授权的有关主管部门同意,不得...
Monday, September 12, 2022
矿床勘探所采用的主要技术手段有()、()、()、()。...
Saturday, June 24, 2023
Wednesday, September 28, 2022
目前煤矿井下测量岩层产状普遍使用的仪器是()。A、经纬仪B、皮尺C、地质罗盘D、全站仪...
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Wednesday, August 30, 2023