影响煤粉着火的主要因素是()。A、挥发分B、含碳量C、灰分D、氧...
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正常情况下,电动机在冷态允许启动()次,起动间隔>5min;热态...
Monday, September 12, 2022
Monday, May 8, 2023
氨区配置2台100%容量的卸料压缩机,一用一备。卸料的主要工艺流程是卸料压缩机抽取储罐中的(),经加压后至液氨槽车,将槽车的液氨压入液氨储罐中。...
Saturday, December 23, 2023
Monday, September 12, 2022
Monday, September 12, 2022
Monday, May 1, 2023
水泵检修工序一般包括拆卸、()、测量、修理或更换以及组装。...
Sunday, September 11, 2022
#2吸收塔液位达到()时,严禁向塔内进水。A、8.7mB、8.9mC、9.0mD、9.3m...
Thursday, January 18, 2024
水泵运行中应经常监视和检查电流、出口压力、振动、声音、轴承油位、...
Monday, September 12, 2022
Saturday, November 18, 2023
阴树脂所能承受的最高温度要比阳树脂所能承受的最高温度要高一些。...
Friday, October 20, 2023
Tuesday, November 29, 2022
锅炉上水温度一般控制在(),且水温与汽包壁的温差不大于()。...
Sunday, December 18, 2022
发电机启动后,即认为发电机组及其所属设备(),不得()或接近设备。非经本专业领导批准,任何人不得进行()。...
Wednesday, October 18, 2023
影响过滤器过滤效果的因素主要有滤速、反洗流量和水流均匀性。...
Monday, February 19, 2024
Monday, September 12, 2022
Tuesday, November 29, 2022
Wednesday, October 18, 2023
运行中的电动机遇下列哪些情况,应先起备用设备,然后停异常设备?...
Sunday, September 11, 2022