信号楼、助理值班员室分开的车站,信号楼可不设置()。
A. 行车岗位技术资料册
B. 安全日历
C. 岗位责任制
D. 占线板
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实木采用圆榫结合时,要求榫头与榫眼配合()或榫头()榫眼,以增强结合强度。
变压器设置位置宜靠近()。
A. 高压开关柜
B. 低压配电设备
C. 柴油发电机组
D. 蓄电池组
You have implemented mutua l route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one of the EIGRP routers within the EIGRP routing domain, you are seeing some, but not all of the expected routes. What should you verify to troubleshoot this problem?()
A. The border router is using a proper seed metric for OSPF
B. The border router is using a proper seed metric for EIGRP
C. The administrative distance is set for OSPF and EIGRP
D. The missing OSPF routes are present in the routing table of the border router
E. The subnet keyword on the border router in the redistribute OSPF command
在磁北方向上基准相位信号和可变相位信号相位相同。
A. 正确
B. 错误