The Poncelet wheel is a type of waterwheel invented by Jean-Victor Poncelet while working at the École d'Application in Metz. It roughly doubled the efficiency of existing undershot waterwheels through a series of detail improvements.
网络释义
1、[机]下射曲叶水轮
... 下偏差 lower deviation 下射曲叶水轮 poncelet wheel 下死点 bottom dead center ...