Sunday, September 11, 2022
Friday, September 16, 2022
问题:循环水场冬季停工时水塔、水池系统管线、阀门等要做好防冻保温工作。...
Friday, September 16, 2022
问题:冷却水系统中沉积物的现场监测内容主要有:测定由水垢、淤泥、腐蚀产...
Sunday, September 11, 2022
问题:离心泵的结构主要由转动部分,()平衡部分,密封部分等组成A、泵壳部分B、轴承部分C、传动部分D、填料...
Thursday, April 20, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:冷却塔出水温度与当时当地湿球温度之差越大,说明冷却塔的冷却能力越...
Friday, September 16, 2022
问题:在单台电动机线路中,熔断器的额度电流应是电动机额度电流的()倍。A、1.5-2.5B、2.5-3.5C、3.5-4.5D、4.5-5.5...
Monday, October 23, 2023
Friday, September 16, 2022
Sunday, September 11, 2022
问题:循环水泵轴承温度异常的原因()。A、润滑油油路堵塞B、轴承和油封严重磨损C、油位过低,飞溅量过小D、润滑油变质或混入杂质...
Friday, December 23, 2022
问题:启泵时,如需切换泵,应先关闭被切换的泵,同时相应打开切换泵的出口...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, September 16, 2022
问题:离心泵的特性曲线是指泵的流量()与三者之间的关系。...
Friday, September 16, 2022
Friday, September 16, 2022