题目内容

在编组站进行补轴的列车,挂上去的货车应按有调中转车统计其停留时间。

A. 正确
B. 错误

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JZ-7型制动系统分配阀列车管减压时,产生()作用,机车不受在列车中编挂位置的限制,且在制动时对后部车辆的制动有促进作用。

A. 非常制动
B. 常用制动
C. 全部减压
D. 局部减压

An administrator has an existing HMC and POWER6 570 connected to a network switch. The administrator is planning to install two POWER6 570s with a dedicated HMC. Which infrastructure is required for the new HMC?()

An additional switch for the new HMC
B. Asynchronous adapters on the new HMC
C. The two 570 servers are directly connected to the new HMC
D. One 570 is directly connected to the new HMC and the other is directly connected to the existing HMC

电梯电缆导体对地之问的绝缘电阻必须大于()。

A. 100Ω/V
B. 200Ω/V
C. 500Ω/V
D. 1000Ω/V

幼儿教师要具备的观察种类有日常生活中的观察和()。

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