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分割闭塞分区
division of block section
分区所
Sectioning Post
A-N分区的无线电信标〔无线电导航设备〕
A-
N
radio range
分区透镜
天线
zoned lens
分相区
neutral section
(zone)
合并闭塞分区
incorporation of block sections
继电器分割区段
relay cut-section
虚拟闭塞分区
virtual block section
近程遥信分区
short-distant supervised subsection
近程遥信分区
directly surveillanced subsection
远程监督分区
relayed surveillance subsection
远程遥信分区
long-distant supervised subsection
闭塞分区
block section
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