美[ˈʌpɚ tre]英[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、 上 托盘、下托盘、纤维束滤料和进出水管汇等部件组成。
美[ˈʌpɚ tre]英[ˈʌpə trei]
n.上层纸盒