问题:湿式气缸下部外圆有两条环形槽,内装橡胶圈,主要起封油作用。...
Thursday, September 22, 2022
问题:单选题叉车的液压工作装置分为两部分,即()。A 工作装置和液压装置B 货铲和油缸C 门架和货铲...
Thursday, August 24, 2023
Tuesday, September 20, 2022
Thursday, September 22, 2022
Wednesday, September 21, 2022
问题:每天早上冷车起动发动机后,应怠速运转3--5分钟,待水温表达到(50-60)C再起步。142指示发动机润滑系主油道中机油...
Thursday, September 22, 2022
Sunday, September 18, 2022
问题:填空题气缸垫装在气缸体与气缸盖之间起()作用,防止()、()。...
Sunday, August 27, 2023
Friday, September 16, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:所谓水冷却系统的大循环,是指气缸盖的出液全部经节温器旁路进入水泵进液口,而不通过散热器散热。...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Friday, September 16, 2022
问题:国家通过各种途径,创造劳动者就业机会及(),是《宪法》第42条的规定。...
Wednesday, September 14, 2022
问题:叉车工作装置的液压系统由动力元件、执行元件、控制元件、辅助元件和工作介质组成。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:检查油泄漏和蓄电池液泄漏:查看叉车下面,检查是否()。...
Saturday, September 17, 2022