1、横坐标轴
... axipetal向心的 axis of abscissas横坐标轴 axis of center of bending弯曲中心轴 ...
2、横轴
... automatic air valveAUTO排气阀 axis of abscissas横轴 axis of projection投影轴 ...
3、横座标轴
地心赤道座标轴 geocentricequatorialcoordinateaxes 横座标轴 axis of abscissas ; abscissa axis ; axis of abscissa 地心黄道座标轴 geocentric ecliptic coordinate axes ..