pitchupn.上仰
pitchn.球场;程度;音调;推销;投掷;街头商贩摊位;沥青;树脂;松脂v.投;颠簸;搭帐篷;定调;推销;用沥青覆盖
pitch acceleration俯仰加速度
pitch road surface沥青路面
pitch rate control俯仰姿态控制
pitching technique投球技术
pitch of propeller螺旋桨螺距
Pitch perturbation音调骚扰, 音调紊乱
pitch-line speed节圆圆周速度
pitch-processing基音后处理
pitching stability俯仰稳定性
pitching mechanism俯仰机构