main section的用法和样例：
例句
- The new town's links with other main urban areas have been greatly enhanced since the opening of Route 3 Country Park Section in May 1998.
自从三号干线郊野公园段在一九九八年五月通车之后，天水围与其他主要市区的交通已大大改善。 - The widening works for the highway section between Lam Tei and Tan Kwai Tsuen are designed and constructed under the Deep Bay Link project.
元朗公路由蓝地至丹桂村段的工程已安排由后海湾干线工程中设计与建造。
