[名词解释] 防护(protection against)与保护(protection for)
[名词解释] 安全保护距离safe protection distance
[问答题] LCC柜上“保护跳闸PROTECTION TRIP”报警如何处理?
[主观题]价格系统(Price system)
[名词解释] 系统接地(system earthing)
[名词解释] 价格系统(Price system)
[名词解释] 调车系统 system of shunting
[名词解释] 安全系统 safety system
[单选题] (73) are essential for the protection of data.(73)A. MemoryB. BackupsC. FilesD. Blocks
[单选题]are essential for the protection of data.A.MemoryB.BackupsC.FilesD.Blocks