Việt
góc dốc trung bình
góc chúc ngóc trung bình
Anh
mean pitch angle
Đức
mittlerer Anstellwinkel
mittlerer Steigungswinkel
mittlerer Anstellwinkel /m/VTHK/
[EN] mean pitch angle
[VI] góc chúc ngóc trung bình
mittlerer Steigungswinkel /m/VTHK/