washbox slide valve

例句：

1. 1. The engineer used a washbox slide valve to regulate the flow of water in the pipeline.
   工程师使用一个洗涤箱滑阀来调节管道中的水流。
2. 2.The new design of the slide valve has greatly improved the efficiency of the system.
   新设计的滑阀大大提高了系统的效率。
3. 3.The engineer carefully inspected the washbox slide valve before installing it in the pipeline.
   工程师在安装滑阀之前仔细检查了它。