section canal

例句：

1. 1. The engineer designed a new section canal to improve the efficiency of the project.
   工程师设计了一个新的分部管道，以提高项目的工作效率。
2. 2. The company decided to divide its operations into several sections for better management.
   公司决定将其业务划分为几个部分，以便于更好的管理。
3. 3. The scientist conducted experiments to study the behavior of different species in their natural sections.
   科学家进行了实验，研究不同物种在其自然分部的行为。