leading industry

例句：

1. 1. The leading industry in the region is manufacturing.
   该地区的主导产业是制造业。
2. 2. The government is promoting the development of the leading industry.
   政府正在推动主导产业的发展。
3. 3. The company's main business is in the leading industry.
   该公司的主要业务是主导产业。