问题:水环真空泵停泵前,先关闭电动机,再关闭分离器排气管阀门。...
Saturday, March 25, 2023
Sunday, September 11, 2022
Wednesday, September 13, 2023
Monday, November 27, 2023
Saturday, August 5, 2023
问题:可以通过调节进汽阀的开度,来调节蒸汽往复泵的流量。...
Saturday, March 9, 2024
Friday, November 17, 2023
问题:离心泵的允许吸上真空高度是用所输送液体的液柱高度来表示的。...
Saturday, June 17, 2023
Wednesday, July 12, 2023
Friday, July 28, 2023
问题:汽车槽车装车超量的处理方法正确是()。A、应立即通知停泵、关死泵进出口阀B、立即关死鹤管阀门C、汽车槽车装车超量可发车D、将该槽车内的超装油品用胶管引流到低位卧罐或装桶...
Monday, December 18, 2023
Saturday, March 25, 2023
Monday, December 18, 2023
问题:油轮装卸作业时,油品输送流量小﹑速度慢,此时关闭阀门将产生严重水...
Sunday, September 11, 2022
问题:分子扩散是由分子的相对运动所引起的物质传递,是在分子尺度的空间内进行的。...
Saturday, March 9, 2024
问题:所输送液体的粘度增大时,蒸汽往复泵的流量也增大。...
Wednesday, September 13, 2023
问题:当所输送液体的气体夹带量及气体溶解量增加时,往复泵的流量将减小。...
Monday, November 27, 2023
Wednesday, September 13, 2023
问题:全液压输油臂立柱和内、外臂及快速连接器之间是由4个回转接头连接起来的。...
Friday, March 1, 2024
Sunday, September 11, 2022