solid level controller

例句：

1. 1.The solid level controller is used to maintain the consistency of the liquid level in a tank.
   固体水平控制器用于保持储罐中液体水平的一致性。
2. 2. The solid level controller was designed to detect and control the solid content in the mixture.
   固体水平控制器被设计用来检测和控制混合物中的固体含量。
3. 3.The solid level controller is crucial for maintaining the stability of the chemical reaction.
   固体水平控制器对于维持化学反应的稳定性至关重要。