double segmental baffle

例句：

1. 1. The double segmental baffle is designed to improve the flow of oil in the engine.
   双段隔板设计用来改善发动机内油的流动。
2. 2. The engineer used a double segmental baffle to reduce noise in the factory.
   工程师使用双段隔板来降低工厂内的噪音。
3. 3. The double segmental baffle was installed to prevent water from entering the machine.
   安装双段隔板以防止水分进入机器。