They must abide harbor district traffic safety regulation, and submit to management personnel's command.
必须遵守港区道路安全的有关规定，服从管理人员的指挥。
What lean is that the automatic command system of traffic signal lamp.
靠的是交通信号灯的自动指挥系统。
What lean is that the automatic command system of traffic signal lamp.
靠的是交通信号灯的自动指挥系统。
应用推荐