pitchingn.[棒球]投掷；（船等）上下颠簸动词pitch的现在分词形式.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 diameter of thread螺纹中径Pitch Error Compensation螺距误差补偿pitch cementing material沥青胶结材料pitch angle distribution投影角分布Pitching and yaw channel俯偏回路pitch cycle of vibration振动周期pitch against each other相互对垒pitch based carbon fibre沥青基碳纤维pitch follow-up system俯仰随动系统Pitch and catch technique一发一收法