在临修更换轮对时,同转向架最大与最小车轮直径差正确的说法是()
A. 装用交叉支撑装置或运行速度120km/h的转向架不大于20mm;其他型转向架不大于30mm
B. 装用交叉支撑装置或运行速度120km/h的转向架不大于30mm;其他型转向架不大于40mm
C. 装用交叉支撑装置或运行速度120km/h的转向架不大于10mm;其他型转向架不大于15mm
D. 装用交叉支撑装置或运行速度120km/h的转向架不大于15mm;其他型转向架不大于20mm
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You manage a software update infrastructure by using Windows Server Update Services (WSUS) 3.0. All client computers run Windows XP Professional Service Pack 3 (SP3). The client computers receive Automatic Updates from the WSUS server, and they are configured to install Automatic Updates immediately. From the Update Services console, you approve a required security update for all client computers. You need to force a client computer to apply the required security update as soon as possible. Which tool should you use? ()
A. Secedit
B. Wuauclt
C. Wsusutil
D. Gpupdate
躲避龙卷风最安全的地方是()。
A. 高楼
B. 平房
C. 操场
D. 地下室
备用列尾主机电池、司机便携控制台电池应至少()充放电一次。
A. 一周
B. 一旬
C. 半月
D. 一月
襟翼载荷限制器工作后,空速小于多少时,后缘襟翼会自动重新放出到40的位置()?
A. 153KT
B. 158KT
C. 163KT
D. 168KT