upper tray

[ˈʌpɚ tre][ˈʌpə trei]

n.上层纸盒

  • The filter is composed of hydraulic execution mechanism container upper tray lower tray fibrous bundle filtering material and water outlet-inlet pipe manifold .

    过滤器由液压执行机构、容器体、 托盘、下托盘、纤维束滤料和进出水管汇等部件组成。