共 7 条
[1]
CHRISTENSON N, UNINTERRUPTIBLE POWE
[2]
*FAL EL, IND LEAD UPS DES
[3]
Rashid M.H., 2004, Power Electronics: Circuits, Devices and Applications, VThird
[4]
*STAND BY UPS, GRID SYST CONTR
[5]
*UPS, PC GUID
[6]
*UPS, FREE DICT DOT COM
[7]
2001, HINDU 1025