中心降液管

【化】 central downcomer; central well down take

中心的英语翻译：

centrality; centre; centricity; core; heart; hub; kernel
【医】 center; centra; centre; centro-; centrum; core

降液管的英语翻译：

【化】 down-flow spout; downcomer; downspout; downtake; downtake pipe