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
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
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
Thursday, November 16, 2023
输送带在驱动滚筒处向一侧跑偏,其原因是驱动滚筒不正或表面粘煤。...
Friday, September 16, 2022
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
Friday, September 16, 2022
Friday, September 16, 2022
Wednesday, April 3, 2024
Tuesday, September 13, 2022
输煤皮带过载的危害()。A、造成输煤皮带沿线撒煤,各导料槽挡煤皮磨损较快,输煤系统容易堵煤;B、皮带过载电机跳闸;C、皮带受力过大;D、造成皮带撕裂等危害。...
Wednesday, May 1, 2024
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
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
Friday, September 16, 2022