| 1. | In this paper , the current commonly - used types of the interchanges , such as the diamond , three - leg , directional , half - directional , cloverleaf , partial cloverleaf interchanges , are briefly introduced and the features and applicable ranges of the different types of the interchanges as mentioned are discussed as well 简要介绍当前常见的菱型、喇叭型、定向型和半定向型、苜蓿叶型、部分苜蓿叶型等立交互通型式,讨论上述各种立交互通型式的特点及适用范围。 |