Pitchon皮琼
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
pitched sound噪声
pitching rate接种量
pitch of weld焊缝中心距
pitched works块石护坡工程
pitch quality沥青质量
Pitch-scale音高规整
pitch phoneme音高音位
pitch of gear齿距
pitching yeast接种用酵母
pitch of waves波距,波长