问题:一切重大物件的起重和搬运工作必须中有经验的专人领导进行,起重和搬运时由多人进行实地指挥。...
Friday, March 1, 2024
问题:减速机结合面螺栓紧固时,动力应均匀,且应从两端向中间对称紧固。...
Monday, January 15, 2024
Friday, March 1, 2024
问题:使用导链起吊重物时,如一个人拉不动,可由多个人同时拉一个导链。...
Friday, March 1, 2024
问题:减速机齿轮运转时有撞击声,可能是有哪些故障造成的?如何解决?...
Friday, March 1, 2024
问题:更换环式碎煤机锤环时,要求每一组的重量差不大于0.2kg。...
Sunday, January 7, 2024
Monday, January 15, 2024
Saturday, May 4, 2024
Sunday, January 7, 2024
问题:输煤系统带式除铁器共有()A、10台B、11台C、13台...
Friday, March 1, 2024
Saturday, May 4, 2024
问题:润滑在机械设备的正常运转,维护保养起着()作用。A、重要B、次要C、不重要...
Sunday, January 7, 2024
Friday, November 17, 2023
问题:RCDD型除铁器,其电磁铁运行温度不允许超过()℃。A、80B、140C、160...
Saturday, May 4, 2024
Saturday, June 24, 2023
Monday, January 15, 2024
Monday, January 15, 2024
Tuesday, November 28, 2023
Saturday, May 4, 2024
Tuesday, September 5, 2023