Sunday, September 11, 2022
Friday, August 15, 2025
Tuesday, July 25, 2023
问题:影响风化作用的主要因素是什么?如何划分岩石的风化带?...
Sunday, April 13, 2025
Saturday, September 2, 2023
问题:断层几何要素有:()、()、()、()、()。地质构造是影响煤矿...
Sunday, September 11, 2022
问题:渠道渗漏的地质因素有哪些?山区和平原地区的渗漏有哪些不同?...
Sunday, August 3, 2025
Sunday, January 15, 2023
Friday, November 17, 2023
Friday, November 17, 2023
Friday, March 17, 2023
Saturday, May 10, 2025
Saturday, March 25, 2023
Thursday, July 10, 2025
Friday, November 29, 2024
Tuesday, December 27, 2022
问题:结构面的成因类型及其特征是什么?卸荷裂隙与风化裂隙的分布有何规律?...
Saturday, February 18, 2023
Sunday, April 13, 2025
问题:回采工作面采毕后,必须及时编写回采工作面采后总结,它是()的重要基础。要求开采结束后()天内提出;分层开采时在最下一个分层开采结束后()天内提出,报()审定后,妥善保存。...
Monday, January 15, 2024
Saturday, December 21, 2024