角度球 meaning in Chinese

angled

Surfaces for sports areas - determination of angled ball behaviour - tennis
运动场表面.成角度球特性的测定.网球
Surfaces for sports areas - determination of angled ball behaviour - tennis
运动场表面.有角度球的特性测定.网球
Surfaces for sports areas - determination of angled ball behaviour - tennis ; german version en 13865 : 2003
运动场表面.成角度球特性的测定.网球