伦敦黄金市场
安全阀的选用应根据压力管道的工艺条件和工作介质的特性,从压力管道的()等几个方面考虑。 ["安全泄放量","介质的物理性质","工作压力范围","介质化学性质"]
()是研究作用在液体上的力与运动要素之间的关系,以及液体运动的基本规律。 ["水静力学","水动力学","土动力学","土静力学"]
Your network consists of a single Active Directory domain that has three Active Directory sites. Each site contains two Active Directory domain controllers. All domain controllers run Windows Server 2003 Service Pack 2 (SP2). All domain controllers have Windows Support Tools installed. You need to verify the replication status of Active Directory. Which tool should you use?() ["Active Directory Sites and Services ","Nltest.exe ","Network Monitor ","Replmon.exe"]
刀具直径为8mm的高速钢立铣铸铁件时,主轴转速为1100r/min,切削度为()。 ["80m\/min","28m\/min","75m\/min","40m\/mi"]
简述[存储]和[存储为]命令的区别。