macropipeline

例句：

1. 1. The company's macropipeline strategy is aimed at reducing costs and increasing efficiency.
   该公司的宏观管道战略旨在降低成本并提高效率。
2. 2. The new pipeline system will significantly improve the transportation capacity of the oilfield.
   新的管道系统将显著提高油田的运输能力。
3. 3. The construction of the macropipeline has been a significant challenge for the project team.
   宏观管道的建设对项目团队来说是一个巨大的挑战。