sine-junction gate

例句：

1. 1.The design of the sine-junction gate is very important for the stability of the system.
   正切交点门限的设计对于系统的稳定性非常重要。
2. 2.The sine-junction gate is used to control the flow of water in a pipeline.
   正切交点门限用于控制管道中水流的流动。
3. 3. The sine-junction gate was designed to improve the efficiency of the power system.
   正切交点门限被设计用来提高电力系统的工作效率。