Wednesday, September 21, 2022
Thursday, September 22, 2022
Wednesday, January 3, 2024
问题:Je4C1153冲击钻机在粉细砂层中钻进应采取哪些措施?...
Thursday, September 22, 2022
Tuesday, November 21, 2023
问题:Je4C1153冲击钻机在粉细砂层中钻进应采取哪些措施?...
Friday, September 16, 2022
问题:La5A2006应力、压力及强度的法定计量单位是()。...
Wednesday, September 21, 2022
问题:单选题Jd4A3190圆锥体体积是相同高度和底面直径圆柱体体积的()。A 1/2;B 1/3;C 1/4;D 1/5。...
Monday, May 29, 2023
问题:问答题在地下连续墙造孔过程中,如何处理严重漏浆?...
Friday, March 17, 2023
Wednesday, September 21, 2022
Saturday, April 27, 2024
Thursday, September 22, 2022
问题:多选题包装机工作盘有袋,但取袋器不取袋原因是()。A光电开关故障B电磁阀故障C磁环开关故障D吸盘损坏...
Sunday, August 20, 2023
Saturday, September 17, 2022
问题:单选题冲击反循环钻机的排渣方式是()。A 泵吸反循环;B 正循环;C 气举反循环;D 射流反循环。...
Thursday, November 17, 2022
问题:单选题抓斗主机正常运转()h后应更换冷却水、防冻液、液压油,检查蓄能器压力等。A 800;B 1000;C 1500;D 2000。...
Tuesday, January 16, 2024
问题:单选题接头管微动及拔管间隔时间不得超过()min。A 30;B 40;C 50;D 60。...
Friday, March 17, 2023
Monday, September 19, 2022
问题:地下连续墙的施工允许偏差和质量要求应符合下列规定:...
Thursday, September 22, 2022
问题:单选题当冲击钻头的位置偏离钻机中心线()m以上时,不得直接提拉钻头。A 1;B 2;C 3;D 4。...
Sunday, September 17, 2023