tangentialadj.离题的；肤浅的；切线的；相切的tangential fired切圆燃烧tangential strut切向支柱tangential curve正切曲线tangential fibers正切(神经)纤维tangential sawing切线锯木法tangential shadow切线影tangential cutter切线车刀,切向车刀tangential burner角式喷燃器tangential motion切向运动tangential channe切向孔道