单词	lead angle
释义	lead angle noun ˈlēd- : the angle between the tangent to a helix or screw thread and the plane perpendicular to the helical axis Word History Etymology lead entry 2
随便看	reconvene reconvened reconvenes reconvening reconvention reconverge reconversion reconversions reconvert reconverted reconvertible reconverting reconverts reconvey reconveyance reconveyances reconveyed reconveying reconveys reconvict reconvicted reconvicting reconviction reconvictions reconvicts

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