pitch ax鹤嘴斧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 sensing accelerograph俯仰(运动)过荷[加速]自记器, 俯仰加速度记录器pitch variable wind turbine变桨距风轮机pitching moment coefficient俯仰力矩系数pitch-carrying instrument校音器pitch-regulated mechanism变桨距机构pitch sensing accelerometer俯仰运动加速表pitch and curvature of roof举架pitch concrete road surface沥青混凝土路面pitch-stability augmenter俯仰增稳器pitch metacentric stability纵稳性