单词：pitch axis
pitch axis的用法和样例：
例句
- The roll erection system now comes into play and provides an ever-increasing torque about the pitch axis.侧摆修正系统开始工作，并绕俯仰轴提供一不断增加的力矩。
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axis, ['ksis] n 轴（虚构之线，如地轴，坐标轴） 【记】i象虚线－虚轴
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