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	incaution incautions incautious incautiously incautiousness incautiousnesses incavation incave incavo ince inced inceded incedes inceding incel incelebrity incels incend incendia incendiaries incendiarism incendiarisms incendiarist incendiary incendiary bomb

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