权威例句
As for locomotives and a few rolling stocks of large fixed axle spacing, the condition of minimum radius of curve may be used for checking the calculation. [机车和少数固定轴距大的车辆,按最小运营半径条件检算,制订我国的曲线轨距加宽新标准。]
Between the axis and the axle sleeve seals USES the bath lubrication, enhances the lubrication effect. [轴与轴套之间采用油浴润滑,提高润滑效果。]
The two impellers are arranged at the lower end of the axle sleeve to ensure moderate air-draft amount. [两片叶轮装在轴套下端,确保引风量适中。]