multiple pump circuit

例句：

1. 1.We need multiple sources of information to make an informed decision.
   我们需要多个信息源来做出明智的决定。
2. 2. The team consists of multiple members with different skills.
   这个团队由具有不同技能的成员组成。
3. 3. There are multiple ways to solve this problem.
   解决这个问题有几种方法。