channel simulator

例句：

1. 1.The channel simulator is used to simulate the flow of water in a river.
   通道模拟器用于模拟河流中的水流。
2. 2.The channel simulator helps us understand how water moves through the earth's crust.
   通道模拟器帮助我们理解水是如何通过地球的地壳流动的。
3. 3. The channel simulator is essential for testing new pipeline designs.
   通道模拟器对于测试新的管道设计至关重要。