Wednesday, August 30, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Wednesday, November 1, 2023
问题:叙述液压系统中辅助元件,滤油器、压力表、油箱的作用。...
Tuesday, September 13, 2022
问题:装卸机械常用蓄电池有湿荷蓄电池,()、少维护蓄电池和()。...
Wednesday, November 1, 2023
Monday, April 10, 2023
问题:不能成为双向变量泵的是()。A、双作用叶片泵B、单作用叶片泵C、轴向柱塞泵...
Wednesday, December 21, 2022
Sunday, December 31, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Monday, August 14, 2023
Monday, August 14, 2023
问题:轮胎应远离热源,发电设备及会产生臭氧的地方;不能与易燃物品和酸、...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:液压系统中的电高工作压力等于()。A、油缸面积B、油泵额定压力C、溢流阀的调整压力...
Sunday, February 19, 2023
问题:曲轴的作用是接受在()行程时通过连杆传递来的动力转变成扭矩。A、进气B、压缩C、做功D、排气...
Tuesday, October 10, 2023
问题:活塞位于下止点位置时,活塞顶部上面的空间称为()。A、燃烧室B、气缸工作容积C、气缸总容积D、燃烧室容积...
Saturday, March 18, 2023
Tuesday, September 13, 2022
问题:46号机械油是表示该油在()时运动黏度为46CST。...
Tuesday, September 13, 2022