Việt
góc xoắn ốc
góc nghiêng
Anh
spiral angle
helix angle
lead angle
Đức
Spiralwinkel
Steigungswinkel
helix angle, lead angle, spiral angle
Spiralwinkel /m/CT_MÁY/
[EN] spiral angle
[VI] góc xoắn ốc
Steigungswinkel /m/CT_MÁY/
[EN] helix angle, lead angle
[VI] góc xoắn ốc, góc nghiêng