Friday, August 4, 2023
Sunday, September 11, 2022
Wednesday, April 3, 2024
问题:KY-310型牙轮钻机发电机组主电机是()KW。A、55B、63C、75D、90...
Saturday, March 2, 2024
Sunday, September 11, 2022
Wednesday, April 3, 2024
问题:Φ273mm钻杆建议报废尺寸为()mm。A、238B、248C、258D、268...
Friday, December 29, 2023
问题:牙轮钻机主传动减速箱各轴装配方式为两轴()。A、相交B、相错C、平行D、相邻...
Monday, November 6, 2023
问题:杆件的基本变形形式有拉伸和压缩剪切、扭转及()四种。...
Sunday, September 11, 2022
Monday, September 12, 2022
问题:单向阀在液压系统中的作用是控制油液只能沿()流动。...
Wednesday, April 3, 2024
问题:LF31T-40/3.5型螺杆压缩机的保护装置有哪些?...
Tuesday, April 9, 2024
问题:YZ-35型牙轮钻机调整履带时,合适的下垂量为()mm。...
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, November 6, 2023
Sunday, September 11, 2022
问题:YZ-35型牙轮钻机主传动机构布置形式为()布置。...
Wednesday, November 22, 2023
Wednesday, August 23, 2023
Monday, September 12, 2022