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输煤系统带式除铁器共有()A、10台B、11台C、13台...
Friday, March 1, 2024
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闭式齿轮传动中,轮齿破坏的主要原因()A、齿面磨损B、应力集中C、疲劳点蚀...
Sunday, January 7, 2024
输煤皮带常用的螺纹是()螺纹。A、左旋B、右旋C、都常有...
Saturday, May 4, 2024
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联轴器是机械中常用的部件,它是由两个()的零件及一些连接零件组成。A、方状B、圆状C、三角状...
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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
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
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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
碎煤机停机后,其转子惰走时间应为()分钟。A、30B、60C、15...
Saturday, May 4, 2024
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。...
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液力偶合器最多只能充入它容积()的工作液。A、75%B、80%C、85%...
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