交通信号控制机(简称信号机)，对减轻交警工作强度和维护交通安全畅通起着举足轻重的作用。
The traffic signal controller is important for reducing the work intensity of traffic policemen and for increasing the traffic security of roadway.
该装置操作简单方便，工作强度小，安全性能高。
The features of the lubricator is easy operation, low working strength and high safe efficiency.
同时可以减少警报的数量，降低安全管理员的工作强度，提高效率。
At the same time it will reduce the number of alerts and decrease the intension of security manager and improve his work efficiency.
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