false downcomer 该翻译成什么降液管? the preferred arrangement for liquid feed to the top tray is to feed into a "false downcomer". typically the false downcomer would be 300mm high with half the normal downcomer clearance (minimum 25mm) to ensure sufficient head in the downcomer for good lateral distribution of liquid across the tray deck. alternatively, an inlet weir may be installed in place of the "false downcomer ". false downcomer不是降液管或是进口堰,其主要起促进降液分布均匀的作用,以为译成 “降液均布管” 还可以吧。查看更多