tangentiallyadv.成切线tangentialadj.离题的；肤浅的；切线的；相切的tangential focal lines正切焦线tangential sensitivity切向灵敏度tangential deformation切向变形tangential irradiation切线照射tangential image point切向像点tangential head cutter切向进刀架tangential porous wood切线孔材tangential duct intake切向进气道进气Tangential frost heave切向冻涨力tangential intake port切向进气道