英语翻译交叉口的竖向设计使交叉口内相交道路能有一个共同平顺的路面,形成了一个良好的交叉口空间环境；交叉口的渠化设计主要内容为根据车道功能布设相应的交通标线.麻烦翻译这几句,不要用软件直接翻译哦~

The vertical design of the intersection ismeant to make a smooth common surface of the intersecting roads,and to form agood space environment in the intersection area; in the design of channelization,...