annuli的意思？

annuli的音标：annuli的英式发音音标为：['ænjʊˌlaɪ]annuli的美式发音音标为：['ænjʊˌlaɪ]...

The flowing state in narrow annuli changes apparently quicker than that in circular tube.窄环隙流道内流态由层流向紊流转变明显提前.The velocity profile should be confirmed when non - Newtonian fluid flowing in duct and annuli is researched.在...