cross flow valve tray

例句：

1. 1. The cross-flow valve tray is used in theprocess of purifying water.
   交叉流动阀板用于净化水的工艺中。
2. 2. The engineer designeda cross-flow valve tray to improvethe efficiency of the filtration system.
   工程师设计了一个交叉流动阀板来提高过滤系统的效率。
3. 3. The cross-flow valvetray was installed at the bottom of thetank to prevent sediment from accumulating.
   交叉流动阀板安装在水箱底部，以防止沉积物积累。