Friday, March 22, 2024
Sunday, September 11, 2022
问题:压风自救装置与三通之间用10m的高压管连接,将压风自救装置安装在(),联接采用(),高压管及压风管路要(),不得有缠绕盘旋情况出现。
Friday, March 22, 2024
Sunday, November 5, 2023
问题:开采冲击地压煤层时,在同一煤层的同一区段集中应力影响范围内,不得布置多少个工作面同时回采?
Saturday, June 24, 2023
Tuesday, September 13, 2022
Wednesday, May 1, 2024
问题:煤层预注水是在采掘工作面前向煤层注水,通过改变()性质,减弱或消除冲击危险的一种治理措施。
Tuesday, September 13, 2022
问题:厚煤层采用一次采全厚大采高开采和综放开采时,尽可能将巷道()。
Friday, May 19, 2023
Saturday, July 29, 2023
问题:各单位施工卸压爆破孔(20m)成本费用按照()进行考核。
Saturday, February 18, 2023
Saturday, February 18, 2023
Tuesday, September 13, 2022
Thursday, September 28, 2023
Wednesday, May 1, 2024
Saturday, July 15, 2023
问题:开采冲击地压煤层每月由矿防治冲击地压领导小组根据工程计划具体划定()。
Friday, November 24, 2023
Tuesday, September 13, 2022
问题:冲击危险区域每个采掘工作面都必须实行“()”制度,才可进行采矿活动。
Tuesday, May 23, 2023
Tuesday, September 13, 2022