First part is: setting up the index of the traffic safety goal of roadcontrol.
第一部分：道路交通安全目标控制指标的建立。
2
Through checking the relevant design information, the hydraulic oil roadcontrol system that can control all the no-dig directional driller's actions was designed.
通过查阅相关的设计资料，设计出了能够完成钻机各种动作的液压油路控制系统。
3
The road is nominally under the control of UN peacekeeping troops.