Friday, September 16, 2022
问题:带式输送机的托辊倾角由20°提高到30°,其输送量可提高()...
Friday, September 16, 2022
Tuesday, September 13, 2022
Monday, November 28, 2022
Friday, September 16, 2022
问题:把煤加热到一定温度时,煤中的碳氢化合物、氧化碳、碳化氢、氢气以及氮气等就会以气体形式逸出,这些气态物质就称为煤的()。...
Wednesday, April 3, 2024
问题:脱水仓使用料位计发出信号距满仓()米,切换另一仓。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:叶轮给煤机叶轮传动不平稳、晃动的原因是什么?如何解决?...
Friday, September 16, 2022
问题:斗轮机液压系统建立不起压力的原因及排除方法有哪些?...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:污水泵停运时,先关闭入出阀门,然后按下停止按钮,水泵停转。()...
Friday, September 16, 2022
问题:斗轮机的司机室、配电室及变压器等处,应该备有适当数量()。...
Friday, September 16, 2022
Wednesday, April 3, 2024
问题:推煤机离合器踏板没有自由行程不能造成离合器打滑。()...
Friday, September 16, 2022