离心泵工作时,因水温过高发生气蚀现象,会使泵打不出水或压力不稳() 此题为判断题(对,错)。
离心泵工作时,因水温过高发生气蚀现象,会使泵打不出水或压力不稳()
此题为判断题(对,错)。
相关考题:
Sometimes a tropical storm moves so slowly that a vessel,if astern of it,can______it.A.crossB.approachC.proceed nearD.run into
Direct delivery and discharge can ______ the handling operation.A.Speed downB.QuickC.Slow downD.Facilitate