axis of thrust 推力线 ; 推进线
To avoid sliding that occurs in cylindrical roller thrust bearings, the taper Angle of the rollers is selected so the extended contact lines intersect on the bearing axis.
为了避免推力圆柱滚子轴承发生滑动，滚子的锥度要合适以至于扩大的接触线可以与轴承轴相交。
Rolling theoretical rotation axis line of the inner ring to the center axis line of bearings, thrust bearings on the shaft circle refers to the axis line.
滚动轴承的理论旋转轴心线，对向心轴承即内圈轴心线，对推力轴承则指轴圈轴心线。
The thrust characteristics of axis symmetry nozzle were mainly measured in test. For the nozzle having a vectoring angle, the deflection efficiency was measured too.
对于轴对称喷管模型主要进行了喷管的推力特性测量，对于实施矢量偏转后的喷管模型除了给出了喷管推力特性外，还给出了喷管的偏转效率。
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