结合环线系统功能定位和环线立交交通流量分析，叙述了环线立交设计原则。
The design principle of ring system was presented in this paper combined with its function and traffic flow analysis.
结合环线系统功能定位和环线立交交通流量分析，叙述了环线立交设计原则。
The design principle of ring system was presented in this paper combined with its function and traffic flow analysis.
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