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 of scanning扫描行宽
pitch control rod螺距调节杆
pitch of building建筑物斜度
pitching rotation投球回身动作
pitch thermometer沥青温度计
pitch of sleepers轨枕间距
pitch measurement垂直间隙测定
pitch synchronous基音同步
pitch carbon fiber炭纤维
pitch mix material沥青混合料