multidrop line

例句：

1. 1. The company's new product is a multidrop line that connects all the cities in the region.
   该公司的新产品是一个多级线路，连接了该地区的所有城市。
2. 2. The engineer designed a multidrop line to transport water from the mountain to the city.
   工程师设计了一条多级线路，将水从山上输送到城市。
3. 3. The multidrop line was used to connect different parts of the city and improve transportation efficiency.
   这条多级线路被用来连接城市的不同部分，以提高运输效率。