Originally posted by freelemon at 2011-06-23 13:51:46:
3、什么是离心泵气缚现象？什么是离心泵汽蚀现象？
当离心泵壳内存有空气，因空气的密度比液体的密度小得多而产生较小的离心力。从而，贮槽液面上方与泵吸入口处之压力差不足以将贮槽内液体压入泵内，即离心泵无 ...

Originally posted by lwxlwx at 2011-07-04 18:04:09:
回答的很好。

Originally posted by zhxixik at 2011-07-05 10:01:04:
呵呵，这是你的答案啦

Originally posted by lwxlwx at 2011-07-06 11:20:41:
是的。